2.4GHZ Wireless Camera with Receiver RC820A+CM812CHWAS&1

This is considered as one of the cheapest home security devices available. It is a 2.5 inch TFT display with a camera fitted on it. The device can be used to look after children and the elderly at home; it can also be used in supermarkets as well as in the residential areas. .
The devise is fitted with an Infrared light to facilitate night vision.

Features
Model RC820A+CM812CHWAS&1
2.5" LCD color screen, 480X234 resolutions, 380 TVL of horizontal definition
Portable monitoring, 300-500m transmission distance
Camera with 30pcs of LED infrared lamps and 15m night vision distance
Audio monitoring with microphone in China camera and camcordoer.

Specification
Function parameters

Transmission Frequency
ISM 2,400 MHz~2,483 MHz 4CH
Modulation Mode
FM
Effective Range
100m(Without Block)
Operating Humidity
85%RH
Camera

Validity Pixel
(PAL): 628(H) x 582(V) (NTSC): 510(H) x 492(V)
Image Device
1/3" Envision CMOS
Horizontal Definition
380TV Line
Angular Field of View
45
Minimum Illumination
0 Lux
Scanning Frequency(H)
15.625KHz(P) - 15.734KHz(N)
Power Adapter
DC 12V/500mA
Dimension
68*52*105mm
Weight
245g
Receiver

Receiving Sensitivity
85dBm
Video Output
1Vp-p@75?,S/N>38dB
Audio Output
10K?/200mVp-p
Power Adapter
DC 12V/1500mA
Weight
200g
Dimension
123x72x24mm
Antenna
50ohm SMA
Stabilization Frequency
100MHz
Intermediate Frequency
480MHZ

sourcing:http://www.chinabuye.com/2-4ghz-wireless-camera-with-receiver-rc820a-cm812chwasand1