Features:
* 2.4GHZ, High quality Color CMOS sensor for clear images
* Built-in microphone for audio monitoring
* The camera build in lit-battery ,it can work last for three hours.
* 4-channel operation allows multiple (1-4) camera systems (optional)
* Long operation range: up to 100 m clear line of sight or 30 m through walls/ceilings
* Camera with AC or Battery operated for portability
* Compact, Lightweight and Super Mini size
* Swivel bracket included for wall /ceiling mounting
* This receiver should push the channel select button to choose channel

Specification:

Camera:
Frequency: ISM 2,400 - 2,483MHz
Imaging Sensor: 1/3 inch OMNIVISION Color CMOS
Horizontal Resolution: 380TV Line
CMOS Total Pixels: 628 x 582 (PAL) / 510 x 492 (NTSC)
View Angles: 62 degrees
Minimum Illumination: 1.5Lux / F1.5
Gain Control: Automatic
Transmission Power: 10mW
Consumption Current: 80 mA 
Modulation Mode: FM
Bandwidth: 18M
Operating Range: 30m/100m (Obstructed / Unobstructed)
Power: DC 8V or 9V Battery
Operating Temperature: -10℃ ~ +40℃ 
Operating Humidity: 85%RH
Dimension(WxLxH): 72x22x65 mm 
Weight: 60g 

Receiver:
Frequency: ISM 2,400 - 2,483MHz
Antenna: Omni-directional antenna
Channel: 1-4 (Flip-type switch)
Intermediate Frequency: 480MHz
Frequency Stabilization: +/- 100KHz
Demodulation Mode: FM
Receiving Sensitivity: ≦-85dBm
Video Output: 1Vp-p@75 ohm, S/N>38dB
Audio Output: 1Vp-p@600 ohm
Power:DC 9V 
Operating Temperature: -10℃ ~ +40℃ 
Operating Humidity: 85%RH
Dimension(WxLxH): 110x80x20 mm
Weight: 130g