1) U style bracket; it is easy to install.
2) Receiver with 4 channels,itsupports 4 different channels camera max. (optional)
3) -85dBm receiving sensitivity
4) Built-in microphone for audio monitoring
5) Transmission power: 10mW
6) Valid distance: 50 - 150m (without block)
7) CMOS total pixels: PAL: 628 x 582, NTSC: 510 x 492
8) Horizontal definition: 380 TV lines
9) Frequency system: PAL / NTSC
10) Receiver: DC 9-12V / 300mA
11) Camera: DC 8V / 200mA
12) Operating temperature: -20 ~ 50 centigrade
