It is a Wireless Spy Color Camera Set with Audio and Video set. The physical size of camera is really small and it is easy to hide in different locations and hard to be discovery. This system can be applied to various areas， such as Surveillance for Shops， Factories， Warehouses， HOME - Monitoring Children， Elders， Visitors etc. The setup procedure is simple， just using a AV cable linking with above mentioned devices1) Imaging sensor: 1/3" CMOS 2) CMOS total pixels: Pal 628 x 582; NTSC 510 x 4923) Horizontal resolution: 380 TV lines 4) View angle:62 5) Minimum illumination: 1.5 Lux / F1.5 6) Gain control: automatic 7) Frequency: ISM 900-1200 Mhz8) Unobstructed effective range: 50m 9) Channel frequency:900-1200 Mhz Note: One receiver only can work with one camera，the camera not have audio Receiver Specifications:1.Power Supply: AC-DC adapter (DC >6V 800 mA)2.Consumption Current: 400 mA3.Power consumption: Approx.3W4.Operation Temperature: -10C-50C/>14F->122F5.Storage Temperature: -40C->85C/-40F>185F6.Operation Humidity: 85%RH Radio Frequency：1.Demodulation Type: FM2.Frequency: ISM 900 MHz-1230 MHz3.Intermediate Frequency: 480 MHz4.Antenna:50 ohm F-Connector5.Receiving Sensitivity: <-75 dBm Package Included:1 x Wireless Mini Spy Camera.1 X 1.2GHz Wireless Receiver.1 X A/V Cables.1 X 9V1A Power Adapter.1 X 12V1A Power Adapter.1 X Antenna 1 X Battery Clip1 X Users' Mannual