Features:1) Night vision TFT 2) Monitor can work with AA batteries or optional rechargeable battery pack for portable use 3) A/V output port for big video viewing if connected to TV / VCR / DVR 4) Works with 3 modes scan, auto and manual. 5) In scan mode, the monitor is in standby with blank screen to save battery 6) In auto mode, the cycle time can be adjusted from 2 to 30 seconds 7) Supports up to 3 cameras to working in the same time 8) Camera can be powered by AC power adaptor and optional BP200 rechargeable battery pack 9) Low battery indicator