Camera video colour and waterproof camera 1 4 12vdc 4 cameras + 1 receiver video surveillance

2.4G R×& T× Device Technical Parameters
The Smallest 4 Channel 2.4GHZ
Wireless A/V Camera in the world
Transimitting unit
Output Frequency:2400MHz?2483MHz
Voltage & current:+4.95V ?5.05V DC MIN 100mA
Output Channel & Frequency:
CH1 2411 MHz
CH2 2433 MHz
CH3 2453 MHz
CH4 2473 MHz
Input Intercept:75 Ohm
Video Input:2.5Vp-p
Reception Sensitivity:45dB
Video Output:6 ?12dBc
Audio Output:22?32dBc
Output:intercept:75 Ohm
Technical Parameters of Receiving Unit
Input Frequency:2400MHz~2483MHz
Normal Input Intercept:750 Ohm
Centre Frequency:479.5MHz
Operation Voltage and Current:+4.95V~5.05V,Min 180mA
Input Frequency and Channel:
CH1 2411 MHz
CH2 2433 MHz
CH3 2453 MHz
CH4 2473 MHz
Video Output:0.8-1.2Vp-p
Audio Output:A1(6.5MHz) 2-2.8Vp-p A2(6.0MHz) 2-2.8Vp-p
Video Signal Contrast:34-36DB
Audio Signal Contrast:45-55DB
Audio Distortion :0.6%,Max4%
Current Consumption:Min 140mA,Max 180mA
Max Operation Voltage:DC+5.25V(Regular+5V)