Feature: 1.2G FM transmitter; 1/3" CMOS pinhole camera, 380TVL; 30-100m unblocked transmitting distance; built-in microphone in the camera; high performance-price ratio; suitable for household, companies, shops, factories, etc; Specification: Model No.: C126+R010 Image Sensor: 1/3" CMOS Horizontal Definition: 380TVL View Angle: 6mm/52? Minimum Illumination: 1Lux TV system: PAL/ NTSC Modulation Mode: FM Gain Control: Auto Output Frequency: 0.9/1.2/1.39GHz Operation Temperature: -10--+50degree Power Supply: camera DC8V/100mA; receiver DC9V/500mA Dimension: camera 23x22x51mm; receiver 81x116x21mm Weight: camera 30g; receiver 160g