Hikvision Video Door Phone – DS-KIS203T

Hikvision Video Door Phone – DS-KIS203T Video ParametersCamera:1/4″ CMOSResolution:720 × 576Video frame rate:PAL: 25 fpsAudio ParametersAudio Output:Built-in LoudspeakerAudio Input:Built-in Omnidirectional MicrophoneAudio Quality:Noise Suppression and Echo Cancellation Light SupplementLight Supplement Mode:Photosensitive IR Supplement, IR Range: 2 MetersDevice InterfacesI/O Output:1 Relay OutputFour-wire Interface:1 Four-Wire Interface (1-ch Video Input, 1-ch Audio Input/Output, 1-ch Power Supply, 1-ch Grounding) GeneralMaterial:Zinc AlloyPower Consumption:Max. 5WWorking Temperature:-30°C to 70°C (-22°F to 158°F)Working Humidity:10% to 90%Dimensions(L × W × H):145 mm × 49.2 mm × 26.45 mm (5.7″ × 1.9″ × 1.0″)Specification of indoor station DS-KH2220Display ParametersDisplay Screen:7-Inch Colorful TFT LCDDisplay Resolution:800 × 480Operation Method:Physical ButtonAudio ParametersAudio Output:Built-in LoudspeakerAudio Input:Built-in Omnidirectional MicrophoneAudio Quality:Noise Suppression and Echo Cancellation Device InterfacesFour-wire Interface:4 Four-Wire Interfaces (1-ch Video Input, 1-ch Audio Input/Output, 1-ch Power Supply, 1-ch Grounding in 1 Four-Wire Interface)GeneralPower Supply:12 VDCPower Consumption:≤5 WWorking Temperature:-10° C to 55° C (14° F to 131° F)Working Humidity:10% to 90%Dimensions(L × W × H):195.8 mm × 132.8 mm × 18.39 mm (7.7″ × 5.2″ ×0.7″)