Feature: 1. Dual Dash Cam: Comes with two camera, road facing camera provides videos, images and powerful evidence in case of an accident, inside camera for live video, perfect for record scenery and happy time. 2. High Speed Transmission: Support 4G WIFI high speed data transmission, built in highly sensitive microphone, support remote real time video live broadcast, voice intercoming, track replay. 3. Data Record: Set up harsh acceleration, sharp turn, and hard braking alarms driving data through CloudDVR APP, help reduce accident rate of your driving and improve fuel economy. 4. Practical: Built in GPS accurately records your location and speed, you can view real time location or playback on APP. Support OTA online upgrade, with reset function, support ACC detection. 5. Loop Recording: Built in high sensitivity G‑sensor, support loop recording, parking monitoring, can detects a sudden shake or collision and emergency locks the footage to prevent video from overwrite. Specification: Item Type: Dual Dash Cam.Material: ABS, metalProcessor: Dual core 1.3GHz RAM: ROM 512MB + RAM 256MB Satellite Positioning: GPS, for Beidou, external passive antenna Operating System: For Linux Software Upgrade: Support software update through TF card and OTA online upgrade WiFi: 2.4GHz; support WIFI hotspot Driving Track Playback: Support Remote Live Video: Support remote real time live video broadcast and voice call One Click Alarm: Support Video File Viewing and Download: Support Communication Band: WCMDA: B1 (2100); FDD-LTE: B1(2100)、B3(1800) Collision Lock: 3 axis G-sensor with loop recording Parking Monitoring: 3 axis G-sensor support parking monitoring Front Camera: Wide angle 140 degrees Video Parameters: Front 1920x1080 25fps/ 1280x720 25fps Rear 1280x720 15fps/640x480 15fps Storage: TF card supports up to 512GB (not included) Microphone: Built in highly sensitive microphone Speaker: Built in high fidelity mono 1. 5W/8R speakers Keys: Power button, camera button, reset button Reset Function: Support Power Supply: DC12V supports a wide voltage range of 9-16V ACC: ACC detection is supported Package List: 1 x Car Driving Recorder1 x GPS1 x Power Cord1 x Control Switch Wire1 x Mounting Bracket1 x Pin1 x Instruction Manual1 x Dust Cover2 x Screw