Model DSJ-C31 Product Dimensions 103mmx65mmx18m Product Weight 180 Product Name 4G Dual Camera Bluetooth Wifi GPS Touch Screen 1080P IR Night Vision Waterproof Body Worn Camer Chip set MTK6762 8 core 2GB RA Sensor CMO Body Material ABS+P External Camera Support 1080P IR Night Vision External Camer FOV 140 degree(max 170 degree Screen 3.1 inch Touch Scree Storage 32GB(Max up to 128GB HDMI Not suppor Operating System Android 7. Video Resolutio 2560*1080 30fps,1920*1080 30fps,1440*1080 30fps,1280*720 30fps/60fps,848*480 30fp Photo Resolution 2560×1950、3264×2448、 4736×3552,6528*489 Video Format MO Video Codec H.26 Image Format JPE Battery Li Polymer 3250 mA removabl Working time 4h continuous recording with 4G working(10h with 4G off, with 1080P 30fps Stand by Time 48 4G Function GSM:850/900/1800/1900 WCDMA:850/900/1900/2100 EVDO:80 TDD-LTE:B34/B38/B39/B40/B4 FDD-LTE:B1/B2/B3/B4/B5/B7/B8/B17/B20/B28A SIM Card Suppor Bluetooth Function Support BT4. GPS Function Support GPS / BEIDOU / Galileo / GLONASS A-GP Wifi Function Support 802.11 b/g/n 2.4GH Face ID Function Optiona Night Vision IR Night Vision Distance Up to 15 Meter Waterproof Level IP6 USB Interface Mini USB 2.0, 10 pin port,earphon White Balance Aut Audio Built-in microphone / speake Audio Format MP3, MIDI, AAC, AMR, AAC+，WA Audio codec ADPC Charging Voltage/Current 5V/2 Charging Time Less than 240mi Drop Distance 3 PTT Suppor Laser Point Suppor White LED Suppor Flashlight Optiona G-Sensor Optiona Motion Sensor Optiona Shockproof Suppor Anti-fog Suppor IR Lights 8 IR Light Multi-language Menu Suppor Pre-recording Support up to 5mi Post-recording Support up to 5mi SOS Optiona Password Protection Support, USB Encryptio Operation Log Suppor Playback Suppor Time & Date & User ID& Device ID Stamp in files Suppor Working Temperate Negative 30℃ to Positive 60 Working humidity 10％～80％