Wireless Baby Watch and Listen System ! This Teddycam utilizing the latest in 2.4Ghz wireless RF technology, it alows you to watch and listen to your baby or use it as a hidden surveillance camera. It,s built in wireless transmitter will send out clear B/W video and Audio to as far as 100 feet away. The other side you can use the receiver comes with the Teddycam to receive the signal and simply connect the A/V output cable to your TV set or VCR ! No software required ! Specifications : Camers : B/W 1/3" CMOS Camera Illumination : 0.5LUX with 492 TV lines resolutions Transmitter : 2.4Ghz 4 Channel Transmitter with CH select switch CH1=2434Mhz, CH2=2453Mhz,CH3=2473Mhz, CH4=2411Mhz. Max Range : 150 feet LOS Receiver : 2.4Ghz PLL Frequencey Synthesizer +/-250KHz. Channel : 4 Channel with select switch. Antenna : Single Patch Directional Video Output : 1 Vp-p @ 75 Ohm ( RCA Connector) Audio Output : 1 Vp-p @ 600 Ohm (RCA Conector) Power : 12V DC ( AC Adapter included ) Microphone : Built-in the teddy bear's right hand. Sensitivity : Within 10 feet