Product selling point:
1. Infra-red LEDs for night-time vision, Effective night vision range: 8m
2.380 TV lines clear picture display,Tiny size for discreet observation and portability
3. 4-channel available to Channel for multi-camera usage
4. Built-in microphone for audio monitoring 7 inch TFT LCD 2.4GHz 4-Channels Wireless AV Color Monitor.Receiver inside easy installation
5.PAL/NTSC System.