Metal 4 Camera Wireless Security System With DVR , Video DVR Security Systems

4 pieces of metal cameras wireless DVR security system, all - day weatherproof Specifications: Monitor system - receiver Digital Wireless DVR ( SP890 ) LCD type TFT LCD,RGB color Screen size 7 inch Transmission frequency 2.4GHz-2.485GHz Digital RF modulation Brightness 300cd/m2 Contrast Ratio 300:1 Resolution H:800 V:480 TV system PAL/NTSC Power Adapter DC 5V/ 1A Operation temperature -10℃~50℃ Operation humidity ≤85% Dimension 190mm(L)*140mm(W)*20mm(H) Weight 425g Cameras