1080P AHD 4G Car DVR Ring Car Camera Front Lens Driving Video Recorder  Night Vision G-sensor Dual Cameras Dash  Cams Wifi 4G Car DVR
                                              | Model number | GD05 | 
             | Screen | no screen | 
             | CPU | SL8521E, Dual-core A53 1.3G processor | 
             | Storage | RAM | 256MB | 
             | ROM | 512MB | 
             | GPS | GPS+Beidou, external GPS antenna | 
             | OS | Linux | 
             | Software upgrade | Upgrade by TF card, OTA online upgrade. | 
             | WiFi | 802.11 b/g/n 2.4Ghz; support wifi hotspot | 
             | Remote monitor | Support Mobile APP and PC remote monitor, and vehicle fleet management | 
             | GPS track history playback | Support | 
             | Remote video liveview |  | Support remote liveview , voice talk | 
             | Video file playback and download |  | Support check video file by SD card or download the video file into mobile phone to playback. | 
             | Network Band | 3G WCDMA:2100(B1); 4G FDD-LTE: B1/B3 | 
             | G-Sensor | 3-axis G-Sensor | 
             | Loop Recording | Support | 
             | Parking Monitor | Support | 
             | Front Camera | GC2053, 4L glass len,140 degree view angle | 
             | Back camera | GC2053 IR digital inside cam with 720P,120 degree view angle | 
             | Video resolution | front is 1280*720P@25fps, inside is 1280*720P@15fps | 
             | Video format | TS H.264 | 
             | Standby power consumption | 4mAh | 
             | Hotspot | it can be used as WIFI hotspot for other device such as tablet or phone | 
             | Input/Output | Speaker | Build in speaker ( 1.5W/8R speaker) | 
             | MIC | Build in MIC-Phone Noise Reduction | 
             | TF card | support max SD card 128G with class 10 or above | 
             | USB | Mini USB 2.0 | 
             | Key button | Power button/Photo button/ Reset key | 
             | RESET | Support | 
             | power | fit the power 9-16V | 
             | Temperature and humidity range
 | Temperature | Usage: -20~+70°C | 
             | Storage: -30~+85°C | 
             | humidity | Usage: 4%~90%RH | 
             | Storage: 40%RH | 
             | Product Size | 81x57x29mm |