永辉YH-W813HR半球型摄像机产品名称：YH-W813HR/W813R产品特点低功耗，易散热;色彩还原性好，画质清晰;4-9MM手动变焦镜头,视角可调;技术指标MODEL型号YH-W813HRYH-W813R成像器件Pickupdevice1/3***CCD像素NumberofpixelsPAL:752(H)×582(V)NTSC:752(H)×492(V)PAL:512(H)×582(V)NTSC:512(H)×492(V)信号制式SystemofsignalNTSC/PAL水平解晰度Horizontalresolution560TVLine480TVLine***低照度Miniumillumination0Lux/1.2（IRON）镜头Lens4-9mmmanualvarifocal/手动变焦背光补偿BacklightcompensationAuto/自动电子快门Electronicshutter1/50（1/60）~1/100,000sec白平衡WhitebalanceAuto/自动信噪比S/Nratio＞52dB＞48dB伽玛校正Gammacorrection＞0.45工作温度Operationtemperature-20℃~50℃同步方式Sync.systemInternal/内同步视频输出幅度Videooutput1.0Vp-p/75Ω所需电源PowersupplyDC12V,360mA(IRON)尺寸Dimensi***(mm)119(D)×89(H)红外线波长W***elength850nm重量（公克）Weight(g)750g可视距离IRviewdistance42pcsφ5IRLED30-50m防水等级WaterproofRate无)