Mini Wireless 2.4ghz Surveillance Camera W/Audio

This mini wireless camera is perfect for special covert surveillance applications. Can be powered by a 9v battery or by the included 8v power adapter. Extremely small size, only 20x20x25mm makes this camera very easy to conceal.Each set includes:1 2.4ghz mini camera with audio1 2.4ghz audio/video receiver1 8v power adapter for camera1 12v power adapter for receiver2 9v battery clips1 audio/video cable1 instruction manualSpecifications:1) image sensor:1/3" omnivision cmos2) validity pixel: Ntsc:510*4923) horizontal resolution:380 lines4) visual angle:80 degrees5) minimum illumination:3lux/f1.26) frequency:Ch1:2.414ghz ch2:2.432ghzCh3:2.450ghz ch4:2.468ghz7) transmission distance:100 meters (~300 feet)8) power: Dc8v/200ma; 9v battery9) working temperature: -10 to ~50 c10) size:20x20x25mm