* 2. 4GHZ High quality Color CMOS sensor for crisp, clear images
* Built-in microphone for audio monitoring
* 4-channel operation allows multiple (1-4) camera systems (optional)
* Long operation range: up to 100m clear line of sight or 30m through walls/ceilings
* Camera with AC or Battery operated for portability
* Metal crust housing with adjustable focus lens
* Easy to install: wall/ceiling mountable
* This receiver should push the channel select button to choose channel