... alloy housing, the cover rotate follow the camera,the IR light will not be hided by the cover ... device can realize to control the temperature.Unique waterproof design for inlet wire, effectively avoid the water ... zoom module: SCM-2271:1/4" Interline Transfer CCD, color: 560 TVL, B&W: 680 TVL, ... 16X digital zoom, Samsung W-V Intelligent chip, DUAL IR_CUT filters auto switch, restrain strong light function, ...