Features and specifications: Key features:Can record video and o, files will be directly stored to your phone Convenient observation and follow-up analysis Light button used to control 6 LED lights to work in dark areas IP67 waterproof camera Can be quickly connected to various types of smartphone Ideal for intraoral camera systems, underwater camera,waterproof micro-cameras, motor vehicle detector, sewer pipeline detector ,search and rescue, criminal and customs detector, archaeological detection, PCB detection, home care, aviation and space industries, care and tractors industries, petroleum drilling industries, construction, and so on. Model: F9954 Lens diameter: 8.0mm Resolution: 1280*720 / 1600*1200 Sensor size: 1/5 inch View angle: 70 Focal distance: 5-10CM Waterproof: IP6070 Working temperature: 0-70CPower: built-in 800mAh lithium battery Working time: 90 minutes Image format: MJPEG Video format: MP4 Color: Black Cable length: 1M/1.5M/2M/3.5m/5m/7m/10m Resolution:1) The lens does not auto-focus.2) The best resolution distance is 5 10 cm. The resolution reduces when the distance is farther or closer.HOW TO USE ONE: Scan the QR CODE to download the app.TWO: Power on the Wifi transmitter.THREE: Connect the camera with the Wifi transmitter.FOUR: Connect the wifi signal of your phone, which is transmited by the product.FIVE: Open the app, then you could see the image.WIFI Endoscope Explore unknown areas