Key Features : Max 260 feet free air WiFi distance to mobile at AP mode. The distance may reduce if you use it at home cross rooms Smallest size，weight 16g only Battery lasting 15-30 minutes owing to the small sized body cam P2P Local Wifi Connection Available for Remote Live Video Monitoring Specification: Built-in Battery: Yes Andriod/IOS supported，simple installation Video Format : ASF 640*480 30FPS with audio Focal distance:2.8mm USB port:USB2.0 Power consumption:MAX 230mA， 3.7V(With WIFI，LED) Power supply:Input 100-240V，Output 5V 1A Support up to 32GB micro SD Card (class 10 above suggested for smoother video) support AC adaptor as surveillance camera Package: Camera * 1 Braket * 3 USB Cable * 1 Neck Strap * 1 User Manual * 1 warning sticker * 1 Silicon Protect film * 1 Card reader*1