3G dvr for bus security/ 4channel 3G video recorde

Features: >H.264 Compression, Record Resolution Up to D1(1 channel)>3G video transmite in WCDMA network>SupportHDDand SD memory for recording>USB and Network Backup files easy>Pluggable hard disk 2.5 " HDD tray, with mature vibration reduction technology>Independent 6 Vehicle status monitor interface, of which one can speed>6-36V power input >Vent-free enclosure design DVR with 2.5" hdd tray Housing case with locking key Aviation Connectors at back side Use remote control to set DVR easy 4 channels working when driving Specification Model KD306-01D KD-306-02D KD-306-04C Video Input 1 Ch 2 Ch 4Ch Video Input Parameter 1.0Vp-p,75 Ohms, Aviation plug Video Output 1 Ch Video Output Parameter 1.0Vp-p,75 Ohms, Aviation plug Video Compression H.264 Preview Resolution D1 resolution(PAL:704×576,NTSC:704×480) Dual Stream-Main 30FPS@D1(NTSC) 25FPS@D1(PAL) 60FPS@D1(NTSC) 50FPS@D1(PAL) 120FPS@CIF(NTSC) 100FPS@CIF(PAL) Dual Stream-Aux 30FPS@CIF(NTSC) 25FPS@CIF(PAL) 60FPS@CIF(NTSC) 50FPS@CIF (PAL) 30FPS@CIF(NTSC) 25FPS@CIF(PAL) Record Resolution D1 D1 CIF Dual Stream Network transmission Independent 4CIF(MDR86-01D/02D Only),CIF or QCIF Playback Frame rate PAL:1 25 fps ,NTSC:1 30 fps Record band rate 16K 2M adjustable,Customizable (unit:bps) Audio Input 1Ch 2Ch 4Ch Audio Input Parameter 2Vp-p Line, 1OK Ohm , Shard the Aviation plug with video input Audio Output 1Ch Audio Output Parameter 3Vp-p, 600ohms, Shard the Aviation plug with video output Mobile Embedded Module Optional GPS Module Optional Wi-Fi Module Optional Communication Port 1 Ethernet, 1RS232, 1RS485, 1RS422 Memory Port 1 USB2.0, 1 SD Video Status Monitor port 6pcs,1 for speed Alarm Input 4Ch,5V@10mA Alarm Output 2Ch,1A@110V Record mode Continuous, Cycle, Schedule, Alarm, Motion detection Video search method By Channel, time, record time, storage location Text Overlay Yes(plate number, time, Vehicle status) Power On mode Schedule, ignition on, delay Power Off mode Schedule, delay after ignition off Power Input DC6-36V Power Output DC12V 2A, 5V 2A Power Consumption 12W(with out hard disk and communication module) Temperature 0°C +60°C( Customizable) Humidity 10% 95% Protection Level IP54 Dimension 175mm(W) X 190mm(D)x 40mm(H) w/o bracket