General | Model | M20 WiFi | Chipset | Novatek 96660 | System | Windows XP or Above/Mac os 10.1 or above | Waterproof | 30 meters water resistant | Operating Language | English, French, Spanish, German, Italian, Chinese Simplified, Chinese Traditional, Russian, Japanese, Korean, Portuguese, Polish, Romanian, Czech | Power | 5V 1A | Interface | Micro USB, TF card slot, Micro HDMI | Charge Voltage | 5V | Battery Type | Detachable lithium battery | Battery Capacity | 900mAh | Charging Time | About 3.0 hours | Recording Time | About 60 min to 110 min | External Memory | TF / Micro SD, up to 32GB(not included) | Size | 25.2 x 61.2 x 42.7mm | Weight | 74g | |