Camera 320TV Lines display Built-in microphone Weather-proof TV Color System:NTSC/PAL Minimum lllumination:0 Lux Power: DC12V/500MA Validity Pixel: PAL-628*582,NTSC-510*492 IR right:12pcs Night vision range:10m Receiver Transmission Power: 50mW HorizontalDefinition: 320line Receiving sensitivity:-85dB 4 channel selectable Channel scan function Power: DC5V/1500MA Open distance:50-100M