EL-MD504 (4CH Mobile DVR with GPS Information Recording, Anti-vibration Design of microSD Card)
Key Specifications
Four-channel video inputs, 4-channel audio inputs
Four-channel alarm inputs, 1 channel relay output
Anti-vibration design of microSD card, 2.5-inch SATA HDD
Power supply for 4 cameras
Power-on delay control
Heater control reserved
IR remote control
GPS information recording
Multiple events record for evidence
PC viewer for DVR files management
Download Detail spec: http://www.elitar.com/files/driver/201104220005441.pdf