Specification :

Go to :
http: / / www.totodeal.com/ 12ghz-12ch-700mw-wireless-videoaudio-receiver-av-t ransmitter_p309.html
For Detail --

How it works

Here' s how it works. The wireless video audio transmitter can be placed anywhere throughout the home or business within range of the receiver. input audio and video signal via A/ V cable, Power it up with the A/ C adapter. The transmitter will transmit video and audio signal wirelessly,

The wireless receiver is placed near your TV/ Monitor or DVR and connected to your TV/ Monitor or DVR via AV cable. then you can get live video and audio on TV/ Monitor, or record video and audio to DVR.

Specification:

Receiver:

Voltage: 12V

Current: 300mA

Output Power: 31dB

Frequency: 0.9G-1.3GHz

Electrical Source: DC 12V

Video Output: 1NP-p

Dimension: 115X60X20( mm)

Transmitter:

Dimensions: 65* 30* 15mm
W eight: 155g

Transmission Power: 700mW

Power Supply: 12V

Consumption Current: 80mA ( Max)

Operating Temperature: -20 degrees Celsius to 50 degrees Celsius

Unobstructed Effective Range: 500 meters ( Min)

Item include Package:

1X 1.2G Wireless AV Receiver

1X 12CH 700mw Wireless AV Transmitter

1X Receiver and Transmitter Cable

1X AV Cable

2X Power Adapters

2X Antennas