Tractor Reversing Digital Wireless Camera System

1)The delaying of this system is only  120ms.
2)The monitor supports 4channel wireless cameras (Quad viewing).
3)The transmitting distance is up to 100meters. 
4)The system supports 128GB TF card for recording. 
5)4channel trigger wires. Camera will show up automatically.

Specification:

LCD size 7"
Resolution 800 x 3 (RGB) x 480
Contrast 500:1
Brightness 400 cd/m²
Viewing Angle U: 50 / D: 70, R/L: 70
Dot pitch 0.0642(W) x 0.1790(H)
Aspect Ratio 16:9
Channel 4 channels
Operating Frequency 2400 - 2483.5 MHz
Receiving Sensitivity -89 dBm
Decompression Form MPEG4
Transmit Output Power 17 dBm
Modulation 2.4G FSK/GFSK
Time Delay 120ms
Transmitting Distance 30-120 M
Micro-SD /TF Card Max. 128G
System Format PAL / NTSC
Power Supply DC 10-32V
Power Consumption Max. 6W
Loudspeaker 1.5W/8Ω
Operating temperature -20~+70ºC,RH90%
Storage temperature -30~+80ºC,RH90%