This is a great kit suitable for monitoring the house, the offices, the kids and more.
Specification:

• Imaging Sensor: 1/3Inch CMOS
• CMOS Total Pixels: 628×582(PAL)
• Horizontal Resolution: 380 TV Lines
• View Angle Degree: 62 º
• Minimum Illumination:1.5Lux / F1.5
• Video Gain Control: Automatic
• Frequency MHz ISM 2,400~2,483 4CH*
• Transmission Power: 10mW/CE; 2mW/FCC
• Modulation Mode: FM
• Bandwidth: 18 MHz
• Power Supply: DC8V
• Consumption Current: 80 mA
• Dimensions: 200×80×180mm (L×W×H)
• Weight: 20 g
• Unobstructed Effective Range: 100M