Head Mounted Camera 5K 30FPS 42MP Photos 120 Degree Lens Anti Shaking WiFi Connection APP Control Wearable Camcorder Item Type: Head Mounted Camera Material: ABS Size: Approx. 103x29x27mm / 4.06x1.14x1.06in Image Sensor: CMOS high sensitivity sensor Lens: 120° Wide Angle HD Lens Video Resolution: 5K 30fps, 4K (30 60fps), compatible downwards Single Click Photo: 42M, 30M, 25M, etc., compatible downwards Operating Method: Physical buttons, smartphone APP WiFi: Built in WiFi hotspot Speaker: Built in speaker Microphone: Built in microphone Video Format: MP4 H.264 Protocol Light Source Frequency: 50HZ 60HZ Expansion: External small memory card (support up to 8-512GB, not included) USB Interface: Type C Usage Time: Continuous recording for 5 hours (without WiFi about 6-7 hours) Battery Type: 2200mAh lithium ion battery (built in) Support System: for WIN, for OS X, for Linux