Function: 1. H.264 compression mode, supports 4-channel AHD input of 1080P million pixels in real time and analog standard definition camera input or 2-channel HD input 2-channel SD input 2. Support 1080P full HD, 1080P/D1/CIF optional 3. Supports a wide input voltage range from 8V-36V, suitable for most vehicles 4. HDD SD card support Data storage (maximum support 2 TB 2.5 5. Unique special file system technology with DVR pre-allocation, solving multiple cleaning causing file fragmentation and ensuring data integrity Specification: Description: It is a 4-channel car digital video recorder, characterized by diverse recording modes, small size, easy installation, shock resistance and stable performance. This is a really helpful companion for all car owners! Characteristics: 1. H.264 compression mode, supports 4-channel AHD input of 1080P million pixels in real time and analog camera input of standard resolution or 2-channel HD input 2-channel SD input. 2. Support 1080P full HD, 1080P/D1/CIF as option. 3. It supports a wide range of input voltage from 8V-36V, suitable for most vehicles. 4. Unique special file system technology with DVR pre-allocation, solving multiple cleaning causing file fragmentation and ensuring data integrity. 5. Coincidentally, the shutdown protection function. The unique UPS technology ensures write integrity in the event of a power failure, for up to 10-15 seconds. 6. Time-lapse video recording function in flame mode. (Highest support time long delay time 24 hours. ) 7. Automatic recording, time recording, alarming recording modes for different requests. 8. Display vehicle traffic status, vehicle numbers, route, very low speed vehicle information, convenient management. 9. Support G sensor. 10. Support remote memory card software update/remote OTA update automatically, partition backup technology update does not crash. Technical data: Operating Language: Chinese/English Video Compression: H.264 Video Input: 4CH port Video Output: 1CH port Video standard: PAL, NTSC, CIF, HD1, D1, 1080P Resolution: 1080P/D1/CIF, maximum: 4 channels 1080P Audio Input: 4-Channel Port Audio Output: 2-Channel Port Sound compression: G.726 compression, 8 KB/s speed G-sensor: support Power Input: 8-36 V Output Power: 12 V Operating temperature: -40 to 70 Operating humidity: 20% to 80% Size: 140x42x142mm/5.5" x 1.6" x 5.6" Package Weight: 585g Compatible: For most vehicles The package includes: 1 x Mobile DVR 1 x Remote Control 1 x Power Cable 1 x AV Output Cable 2 keys 1 x Instructions