Main Features:
Wireless camera with built-in Li-battery
Image device: 1/3-inch color CMOS
TV system: PAL, CCIR, NTSC and EIA
Built-in microphone for audio monitoring
Built-in IR lights for 3m night vision range
Supports 4 channels video input on one computer
4 channels avoid interference
Resolution: 380TV lines
Scan frequency:
PAL/CCIR: 50Hz
NTSC/EIA: 60Hz
Minimum illumination: 1Lux/F1.2
Voltage: 8V

Wireless receiver
Frequency range: 2.4GHz
USB port for wireless receiver power
Operating distance: 100m (without blocking)