Features 1、LARGE FOCAL LENGTH: The USB WiFi endoscope uses an 8mm camera with an image resolution of up to 720P and a focal length of 4cm for clearer imaging. 2、ENGINE INSPECTION: WiFi endoscope can be used to detect carbon buildup in car engine, observing the condition of the engine helps to prolong the life of the engine. 3、SUPERIOR PERFORMANCE: Endoscope supports long pipe or sewer inspection. Semi rigid cables are less prone to breakage and deformation, and it is easy to inspect hard to get places. 4、IP67 WATERPROOF: The USB WiFi endoscope comes with 6 LEDs for clear visibility in dark environments. The waterproof design of the probe can detect wet or underwater areas. 5、WIRELESS CONNECTION: WiFi connection with high compatibility for Android and for iOS phones, easy to connect and easier to observe. Specification Item Type: USB WiFi Endoscope Material: ABS Resolution: 720P Lens Diameter: Approx. 8mm/0.31in Waterproof Rating: IP67 Focal Length: Approx. 4cm/1.6in Package List 1 x Endoscope 1 x Instruction Manual 4 x Accessories