4-CH Real-Time Receiver / wireless receiver / analog receiver Horizontal Resolution: 380TVL View Angle: 55 IR LED: 24 pcs 4-CH Real-Time Receiver wireless receiver / analog receiverProduct description >Infra-red LEDs for night-time vision, Effective night vision range: 15m>380 TV lines clear picture display,Weather-proof design for outdoor usage,Alloyed shell> 4-channel real-time wireless ...