... patent. Specifications: ModelBT-HSPower inputDC15V~AC24V (±10%)Power consumptionIndoor≤15W,outdoor≤45WImage sensor1/4 SONY ″Exview HAD CCDZoom36*12XSignal modePAL/NTSCPreset ... -P/D,AD,PHILIPS etcWorking temperatureIndoor:0ºC ~ 50ºC,Outdoor:-40ºC ~60ºCAmbient humidity0-95%Non-condensingShell materialAluminumInstallationWall, Pendant ...