闭路电视摄像机470TVL低成本27X高速圆顶ca

CCTV Camera:470TVL Low cost 27X High speed dome camera(Outdoor PTZ Camera) ModelHK-GV7270Image Sensor1/4sony super HAD CCDTotal Pixels370,000TV Line470TVLsLensf=3.6 87.5mmZoom27X Optical ZoomHorizontal Angle of View2.4 53Minimum illumination0.5Lux/0.08LuxS/N ratio> 50dBElectric shutter1/125¡«1/10000sPrivacy ZoneOffIR sensitiveNoDay/NightYesBlack light compensationON/OFFTemperature Storage-50 TO 65 °C;Temperature Operation-40 TO 60 °C; Product Feature: New high strength aluminum-titanium alloy structure, effectively prevent deforming and keep surface bright Newly-designed black shield inner cover, more concealing Static remove dust, double deck ventilate hole constant temperature design, apply IP66 safety standard. High quality step motor and belt, make it more reliable Intelligent speed shift, 0.5°/S-280°/S smooth pan shift, 0.5°/S-180°/S tilt shift, 180° auto flip, 360° continuous revolve. 128 preset points and 8 groups multiple cruise, every group 16 preset points. programmable setting cruise speed between presets and presets stick time,1-64 level cruise speed setting and 1-60 second preset stick time. Color 18X, 22x,27 X optics camera module. proportional zooming, reduce pan/tile speed according to zooming level, ensure clear and balanced image,get the best picture. Private zone masking ,can freely set private zone masking, direct proportion enlarge or shrink to lens zooming level. Inbuilt multiple protocol, allow any system. Power-off information protect and inbuilt surge, lightning strike protection device. Accessory function: Vandal-prevent device. Technical Index: level running: 360° continuous revolve, 180° auto flip. Rotate speed : 0.5°/S-280°/S level shift, 0.5°/S-280°/S upright shift. Presets points quantity: 128pcs program speed and stick time. Cruising Route:8 groups multiple cruise, max to 16 preset points every group. Manual menu: OSD menu Private zone masking: can set by yourself. Proportional zooming: six grade. Auto-reset: can set by yourself. Baud rate: 1200/2400/4800/9600 optional. Control protocol: Multi-Protocols. Power supply: 24VAC 3A . Temperature Operation :-40°-60° . Installation option: Wall mounting bracket, Suspending installation bracket, in- ceiling.