... Auto light test for control IR parts switching and brightness .Infrared light board with aluminum plate, increasing heat release function . ... (standard) Lens,35pcs Φ8 IR LED,IR distance:50m ,Streamline design, better waterproof function IP66 ,Easy for installation, nice streamline design ... (standard) lensSync System:Internal syncS/N Ratio:>48 dBGamma :0.45Video Output :1.0Vp-p,75ΩIR LED Wave :850nmIR ...