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Frequently Asked Questions

How do I get my wireless unit connected to my device?

"Smart Endoscope" Initial Setup Instructions:1) Download the "Smart Endoscope" app via your respective apps store.iOSAndroid2) Hold the POWER button to turn on the unit. If you have an otoscope then the Wi-Fi should turn on automatically, but if you

How do I submit a warranty claim for a defective unit?

To file a warranty claim, please visit the link below or contact customer service. https://teslong.com/apps/product-registration?form=claim-warranty

What's the difference between your Endoscopes & Borescopes?

• Our Endoscopes are general inspection cameras designed for industrial use in engines, walls, plumbing, etc.• Our Borescopes are specialized inspection cameras designed for inspecting the inside of a firearm barrel.

What are the differences between each Endoscope lens-type?

• [Single-Lens]: Our basic probe including a single, fixed-focus, front-facing sensor. • [Dual-Lens]:  A probe featuring both a fixed-focus, front-facing sensor & a side-view sensor. • [Triple-Lens]: A probe featuring both a fixed-focus, front-facing

What size, including length, probes are offered for each of your products?

ENDOSCOPES (Inspection Cameras)           LENGTHS. Aviation Connectors - Compatible with NTS300, NTS500, NTS600, NTS700, NTS430, WF200. • Single-Lens - 3.9mm, 5.5mm, 7.6mm          1m, 3m, 5m (7.6mm only). • Dual-Lens - 5.5mm, 8.0mm

Are your products safe for use in wet environments?

Yes, all of our camera cables & probes are IP67 water-resistant for use as deep as 1 Meter underwater for up to 30 minutes, except for our TD100 & TD450 Articulating Endoscopes. However, none of our probes are rated for use in any solvent, such as ga

Are your Borescopes compatible with iPhones & iPads?

Yes, but only the following Wi-Fi Borescope kits are compatible, as our Borescopes don't support a wired connection with iOS devices. • NTG150W (45") Flexible Wi-Fi Borescope kit. • NTG150HW (26") Rigid Wi-Fi Borescope kit. • NTG150PW (10") Pistol Wi

Do you offer any Borescope probes for smaller caliber barrels?

No, we currently only offer 5mm (0.197") diameter borescope probes. The 0.197" probes are designed to work safely with 0.22 caliber, or larger, barrels. Please refer to the Borescopes section of our Teslong.com website.

Where can I obtain a copy of the User Manual for my Teslong product?

Please feel free to refer to the Downloads section of our Teslong.com website for a downloadable PDF copy.

What is your shipping and return policy?

Disclaimer: All shipments (including warranty replacements) are subject to 24hrs processing time. Any & all orders placed after 8 AM PST will NOT ship until the next business day. Shipping Locations: We proudly ship to all countries, except for the f

How much of a difference does the screen size make in a stand-alone inspection camera?

It’s important to note that although the screen sizes and resolutions are different on some of our inspection cameras, they all record video at 720p resolution or higher. The resolutions you see on the screen can range from the smallest 854 x 480p re

Which monitors are compatible with which cables / probes?

Teslong industrial endoscopes use two types of connectors: USB-C or our thread-on aviation connectors. Thread-on Aviation Probes include SKU CAMXXXXX. USB-C Probes include  SKU TSMSXXXXX. Our household / DIY models, the MS450 and NTS500b monitors, us

How do you choose what length probe to buy?

Teslong camera probes are typically available in three different lengths - 1, 3, or 5 meters long (3.2, 9.8 or 16 feet) - some are also available 50 feet long. Deciding which length to buy depends on your application - essentially how deep inside of

What is the difference between dual-lens probes and single-lens probes with mirrors?

Telsong’s camera probes typically are available with either a single-lens design, plus a right-angle mirror, or they are available with a dual-lens design. The single-lens-with-mirror probes are less expensive, and they are better for looking sideway

What is the difference between auto-focus, fixed-focus, & manual-focus probes?

Teslong’s fixed focus probes are ideal for tight-access applications because they are so small in diameter - down to 0.153-inch (3.9mm) The majority of the probes that we make for general inspection purposes, including our articulating inspection cam

Can you use a gun borescope as an inspection camera or visa versa?

You can use a gun borescope for non-gun inspections, but they are optimized for looking inside a gun barrel with a focal distance of ½ to 1 inch, so it won’t work for all applications. The side-view mirrors are best for up-close surface inspections a

Do you make other mirror sizes for gun borescopes?

Yes, you can find the 5-Mirror Set on our accessory page. Teslong borescopes usually come with a 0.20-inch diameter mirror to fit .22 caliber, or larger, barrels. While these mirrors will fit in larger barrels just fine they will have some slop and m

What are rifle borescopes for?

A borescope can help you inspect guns before purchase, make sure your weapon is clean, identify areas of fouling in the barrel, check for defects, and inspect for case separation, or other components like a silencer. In addition, the camera provides

How do you switch between lenses on a dual, or triple, lens camera?

It is easy to switch between the lenses on Teslong multi-lens camera probes. The button is right above the USB plug or Thread-on plug where it connects to the monitor. Press that button to cycle through the different camera views on the lens probe. I

What is the Teslong Warranty Policy?

Please be advised that our warranty policy only covers malfunctions/defects from the manufacturer, not from physical damage, etc. Also, all warranty claims are subject to review/approval before a replacement can be issued.Warranty Period: For most pr

Which otoscopes work with Android devices?

Not all otoscopes work with Android devices. Some otoscopes come with a display screen and do not connect to other devices. If you want an otoscope that will work with an Android device usually it will connect with that device via WiFi or USB. Check

Can Android otoscopes work with Apple devices?

If the Android otoscope connects via WiFi, then it should be compatible with an Apple device. However, if the otoscope connects using a USB cable then it usually won’t be compatible with Apple devices because iOS does not support USB. Here is a colle

Are otoscopes safe to use?

When used with care, otoscopes are safe to use even at home. As a diagnostic tool, these devices are made for safety and will not go too far into the ear. Always use the specula when performing an examination. The specula protects the camera from goi

How do I connect my iPhone to an otoscope?

Most otoscopes that are compatible with iPhones connect to them using an app and a WiFi connection. First, download the app recommended in the product manual, then go to the WiFi settings,  wait for the device to show up, and then click to connect. T

Can iPhone otoscopes work with Android devices?

Yes, most otoscopes that can work with Apple devices will also work with Android devices.  Most iOS-compatible otoscopes connect over W-Fi, which Android devices are also compatible with. Most of the options will have apps in both the Apple Store and

Why choose a Teslong otoscope with a screen?

An otoscope with a screen takes less effort to use as it includes its own screen, batteries, and even memory. Everything you need is right there, thanks to the built-in screen. Finally, the devices are simple to set up, because you don't need to down

What is an otoscope used for?

A digital otoscope is a device that allows the user to examine someone’s ear canal and eardrum, inside their nose, their teeth, the back of their throat, or the surface of their skin. Digital otosccopes allow the user to capture photos and videos tha

What is the best otoscope to buy?

The best otoscope will depend on your needs – someone who wants to take better care of their health at home has different needs from someone who needs to take their otoscope on the road with them. At Teslong, we can provide you with the best otoscope

Are Teslong batteries replaceable?

Teslong batteries are not replaceable, and attempting to replace them yourself will void your product's warranty. If you experience battery failure while your product is under warranty (1 year) please contact Teslong.com customer service to confirm y

What should I do if I can't get my product to work?

If you just bought a Teslong product and are having difficulty getting it to work, please call our customer service professionals at 877.899.8809 to walk you through the possible solutions. They are available M-F from 8-5 PM PST or you can leave a me

What is an infrared camera?

While traditional visible-light cameras capture images of objects radiating light visible to the naked eye, an infrared camera captures infrared light, which the human eye cannot see. All objects emit some form of infrared light or heat energy, which

What is the difference between Thermal and Infrared?

From a terminology standpoint, infrared radiation is defined by having a wavelength in the fixed interval 0.7 - 300 micrometers - a convention of the electromagnetic spectrum. However, the term thermal radiation refers to the thermal radiation emitte

What can a handheld infrared camera be used for?

Infrared cameras can be used for many things. They are best for identifying areas of temperature change or difference. An example of this can include finding an animal in the woods or on the water, identifying water leaks in a home or in industrial a

Can a handheld infrared camera be used as an water leak detector?

Water, or other fluid, leaks almost always emit a different wavelength of infrared light compared to their dry surroundings. If you view a puddle of water or a stream of drips it will be identifiable to someone performing an inspection with an infrar

Will an infrared illuminator improve your view when using an infrared camera?

Usually, no it won’t. An infrared camera detects the infrared light being emitted from other objects and if you shine more infrared light on those objects usually that results in the contrast between them being blurred. We don’t include infrared illu

Do Infrared Cameras Work In the Daylight?

Infrared cameras should not be confused with night vision, which enhances visible light. Because infrared cameras measure light that is not visible to the human eye, they can work in darkness as well as daylight. Some professional photographers enjoy

Can infrared cameras see through walls?

One of the biggest advantages of IR is that obstructions like fog, trees, or darkness do not hinder the image. That means that police can use IR cameras to find criminals hiding in the bushes, and it also means that home inspectors can use IR cameras

Can an Infrared Camera See Through Glass or Water?

No, an infrared camera cannot see through water or glass. An infrared camera will either tell you the temperature of the glass surface or it can show you the temperature of items reflecting in the glass, as though it were a mirror. An infrared camera

Can Teslong wireless otoscopes work with a PC or Mac?

No, Teslong SA39A, SA39W, and NTE390W/430W wireless otoscopes cannot connect to PC or Mac computers. They are designed to connect over a W-Fi network to your iOS or Android mobile device using an app only. Here is a collection of Wi-Fi otoscopes on T

Why does your app need access to the files and folders on my phone?

We understand that your privacy and security are of utmost importance when it comes to using our app. We want to assure you that your concerns are valid, and we appreciate the opportunity to address them. When you first install our app, you may notic

Why is the temperature on my screen higher than it is in my room?

It's essential to understand that our product operates optimally within a specified temperature range, which may sometimes exceed the ambient temperature of its surroundings. Here's why:. Performance Optimization: Our product is designed to deliver t

Customs Fees For International Orders

When ordering from us internationally (outside of the United States), your shipment will ship from either the US or China and may be subject to customs duties and taxes, which are imposed once a shipment reaches your country. Customs policies and cha

Are USB Camera Probes For NTS500B & MS450 Monitors Compatible With Regular Computer USB?

The single and dual-lens variants of USB camera probes including SKU TSMS450D5L5 and TSMS450D55L5 were not designed to be used in regular PC or Mac computer USB ports. They will not work without the MS450 or NTS500b monitors. The telescopic TSMS450 p

My product appears to be missing something

If you just bought a Teslong product and it appears to be missing something, please call our customer service professionals at 877.899.8809 to get everything taken care of. They are available M-F from 8-5 PM PST or you can leave a message and they wi

Where can I find accessories for my otoscope?

Accessory parts for Teslong otoscopes including specula and ear spoons can be found on our Parts and Accessories collection page: https://teslong.com/collections/parts-and-accessories

Which App do I use with my device?

Most Wi-Fi-connected devices that we make utilize an app called Smart Endoscope to work with iOS or Android mobile devices. The devices that currently use the Smart Endoscope app include:. SA39A otoscope. WF150 USB Wi-Fi transmitter. SA39W otoscope.

The image on my screen is blurry.

It is not unusual for the image on your screen to be blurry from time to time. This commonly happens when the lens is too close to the subject. Try to fix this by adjusting the distance between the camera lens and the subject. If you are looking thro

Which Borescopes Are Compatible With Each Other?

Teslong makes a range of borescopes, which can be divided into 4 categories:. Flexible - NTG100 (45" long), NTG150W, NTG450, NTG500. Rigid Pistol - NTG100P (10" long), NTG150PW. Rigid Rifle - NTG100H (26" long), NTG150HW, NTG450H, NTG500H. Foldable -

Which gun borescope should I buy?

Follow this flow chart to determine which gun borescope is best for you.

Is the infrared thermal camera model TTM260P / TTM160P available for Apple iOS?

Currently, the TTM260P and TTM160P thermal infrared pocket cameras are only available for Android mobile devices.

Do you offer a military discount?

Yes, thank you for your service! We do offer a military discount, chat with one of our customer service professionals to get the discount code: 877.899.8809 or [email protected]

Do you offer bulk pricing and who is your wholesale sales manager?

If you need bulk pricing and want to talk to our wholesale sales manager please email Frankie Manzano at [email protected]

We do not manufacture Depstech products.

We do not manufacture Depstech products, we cannot help you with your device.

Replacement probes for articulating inspection cameras.

Because of the complicated nature of the articulated mechanism, it is not possible to replace the probes for the TD500, TD450s, TF600, or TD400 inspection cameras. If you are experiencing a problem with your product please contact our customer servic

What do I do if I want to track, return, or cancel and order?

If you want to track, return, or cancel an order, login to our Contact Us page.