2.4g wireless camera kit  features:

 
7 Inch Wireless color LCD rear view monitor with digital sreen
 Built-in 2.4GHz wireless receiver.
 Frequency range:2400~2483MHZ,Group supported: 2414,2432,2468,2450
 Distance:100m ( barrier-free)
 Reception capability:-87dB.
 TFT LCD monitor with wide view angle and high resolution display.
 Picture image may be adjusted for Horizontal, Vertical, Mirror and Normal viewing.
 Multi-languages of display available: English, French, Portuguese,Spanish, Russian, Dutch, German, Italian.
 Automatic back-lights for buttons.
 Full-function remote controller.
 Multiple video formats available: AUTO /PAL/ NTSC.
1DVD input and 4 channel receiver, 1 channel for video output and 1 channel for audio output.
Operates from 10~32V. Support 12V or 24V automobile battery.
Automatically switches to back-up, left or right side camera views.
Speaker available and users can control the sound level from control panel.
On-board speaker.

7" COLOR TFT LCD Monitor WM-127D

Product: 7 Inch Wireless Color LCD Monitor with Digital Screen
Reception capability:-87dB
Demodulation Mode: FM
Receiving Frequency Range: 2400~2483MHZ
Range: 238m
Frequency Group Supported: 2414,2432, 2468,2450
Audio output: 1W.
Loudspeaker: one 15x24mm round loudspeaker.
Power supply: Automobile storage battery (10-32V).
Power consumption: about 6W .
Outer dimension: 182mm (W) × 122mm (H) × 26mm (T) (without flush mount),
198mm (W) × 138mm (H) × 31mm (T) (with flush mount)
Dot pitch: 0.192 (H) × 0.1805 (V).
Resolution: 800×3 (RGB) × 480.
Contrast: 500:1.
Brightness: 400cd/m².
Viewing angle: U: 50°, D: 60°, R: 70°, L: 70°
Operating temperature: -20 ºC ~+55ºC,RH90%.
Storage temperature: -30 ºC ~+80ºC,RH90%.