3.9mm Single Lens Endoscope HD 720P endoscope. Make sure your phone can support OTG functionality and also compatible with the UVC ( USB video device class). The lens does not auto-focus. 1: Scan the QR CODE to download the APP.
eBay
5.5 7MM Android Endoscope 3 In 1 USB/Micro USB/Type-C Borescope Inspection Camera Waterproof for Smartphone
Aliexpress UK
1 LCD Digital Endoscope. Resolution up to 1080P, used for imaging capture, video recording. Resolution: 1920 1080P. 1 Protective Cap. Waterproof level: IP67(only for lens bulb). 1 User Manual. 1 USB Data Cable.
eBay
Industrail Endoscope 3in1 Micro USB Type-C Single Dual Camera for IOS iphone Android Phones Waterproof Pipe Inspection Borescope
Aliexpress UK
It has a perfect focal length of 3-10cm，With photo and video recording function. No need to use your smartphone to connect to the WIFI and no need to download any driver software. So you do not need to worry about dirtying your expensive phone at work too.
eBay
HD1080P Endoscope 3in1 Micro USB Type-C Single Dual Camera for IOS iphone Android Phones Waterproof Pipe Inspection Borescope
Aliexpress UK
Endoscope Type : Micro USB Endoscope. Waterproof wire endoscope. Endoscope can not applied to Huawei, Lenovo & Coolpad. It's very easy to operate this android endoscope, just download an App and inserted the endoscope in your device, the App will automatic recognition it, start to use now !
eBay
Industrail Endoscope 3in1 Micro USB Type-C Single Dual Camera for IOS iphone Android Phones Waterproof Pipe Inspection Borescope
Aliexpress UK
Waterproof wire endoscope. 1 x Mini USB Endoscope. Waterproof level: IP67. Support systems: Android /Windows 2000 / XP / Vista / 7/8/9/10. 1 x C to USB interface. Temperture: -20 ~ 100 degree.
eBay
Newest 1080P USB Snake Dual Lens Inspection Camera 2.0 MP IP67 USB Type-C Endoscope with 8 LED for Samsung Huawei Xiaomi PC
Aliexpress UK
You are suggested to install free app "USB OTG CHECKER" to check OTG before buying. • 6 LED Lights : With 6 LED lights, this endoscope provides bright and clear images of the inspected area. • Soft Wire : The soft wire design of this endoscope makes it easy to maneuver and use in tight spaces.
eBay
USB Endoscope for OTG Android Phone 5.5mm Borescope Inspection Snake Camera IP67 Waterproof with 6 LED Lights For Type C
Aliexpress UK
And maintains its shape for flexibility and rigidity.
eBay
8mm Lens Industrial Endoscope, 1920p Borescope with Adjustable Led Light Ip67 Waterproof Camera for iPhone, Ipad, Samsung
Aliexpress UK
7.0MM TYPE-C Endoscope Camera IP67 Waterproof 6 LEDs Adjustable USB Android
eBay
Ear Cleaning Endoscope 3 in 1 Ear Scope IP67 Waterproof Camera with 6 LED For Android Type C PC with Ear Pick Cleaning Kit
Aliexpress UK