High resolution H.264,SD card Max.32GB * 2pcs,Compact size and easy installation
Operating language: Chinese/ English
Operation contact surface: Present in figures and diagrams menu operation contact surface(OSD menu)
Cryptosecurity:After the manager password management(manager establishes),user cannot change content.
Video input:4ch video input 1.0V,p-p,75Ohm
Video output:1ch output 1.0V,p-p,75Ohm
Video frequency demonstration:Single picture/four picture demonstration
Video frequency standard: PAL service pattern:25/seconds,CCIR625 TVL,50 field; NTSC service pattern:30/seconds,CCIR525 TVL,60field
Audio infut:4ch audio frequency inputs
Image compression:H.264,Invariable symbol stream(VBR)
Image form:CIF/HD1/D1 may choose
Audio frequency class standard:ADPCM
Date Storage:8kb/s
Serial interface:Supports 1 RS232 connection,refers to the DB44standard;Supports 1 RS485 connection,refers to the DB44stsndard.