【5.5 mm Ultra Thin Probe】: The wireless endoscope measures 5.5 mm (0.21 inch) in diameter and helps you see in confined areas like vent pipes, engines, HVAC, sofa corners, wall inside and more. No Home's WiFi Required! 
【WiFi Connection, Easy to use】: This scope camera links up to your phone via endoscope's Wi-Fi, download the  APP on your device to start use. This boroscopes works well for iphone(iOS 9+) & android (5.0+) device. NOT SUPPORT WINDOWS PC or MAC. 
【2.0MP HD Inspection Camera】: Featured with 1080P HD camera. Offers you a wonderful experience of capturing a clear close range HD video with adjustable resolutions 1920*1080, 1600 x 1200,1280 x 720 and 640 x 480. 
【Long Range Flexible Snake Camera】: IP67 waterproof drain camera, 16.5 ft bendable cable with six adjustable LED lights to ensure clear images in dark conditions. The long focal distance makes inspections easier. 
【Longer Working Time】: Built in 2600 mAh high capacity battery, which is more durable than other batteries. A full charge supports continuously work up to 3 hours.