... Resolution: 380TVL View Angle: 55 IR LED: 24 pcs 4-CH Real-Time Receiver wireless receiver / analog receiverProduct description ... ,Weather-proof design for outdoor usage,Alloyed shell> 4-channel real-time wireless receiver,Alloyed shell, Antenna ... (H) x 492(V)3.Horizontal Resolution: 380TVL 4.View Angle: 55degree5.IR LED: 24 pcs 6.Minimum ... :400Update Date:2011-5-26 18:56:07 4-CH Real -Time Receiver