GuliTech 2.4 inch Monitor - 3.9/5.5/8mm 2m/5m/10m

Lens diameter: 8MM/5.5mm/3.9MM Resolution: 1920*1080 2MP Sensor size: 1/5 inch View angle: 70° Frame rate: 30fps Focal distance: 5cm-10cm Waterproof: IP67 Working temperature: 0°-70°C Power: built-in 2600mAh lithium battery Working time:3-5 hours Image format: MJPEG Video format: MP4 Color: Black Cable length: 2m/5m/10m Semi-rigid cable 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 product. THREE: Connect the wifi signal of your phone, which is transmited by the product. FOUR: Open the app, then you could see the image