• Door station/Video parameters
• Camera1/4" CMOS
• Resolution720 × 576
• Video frame ratePAL: 25 fps

• Door station/Audio parameters
• Audio inputBuilt-in Omnidirectional Microphone
• Audio outputBuilt-in Loudspeaker
• Audio qualityNoise Suppression and Echo Cancellation

• Door station/Device interfaces
• Four-wire interface1 Four-Wire Interface (1-ch Video Input, 1-ch Audio Input/Output, 1-ch Power Supply, 1-ch Grounding)
• IO output1 Relay Output

• Door station/General
• MaterialZinc Alloy
• Power consumptionMax. 5W
• Working temperature-30° C to +70° C (-22° F to 158° F)
• Working humidity10% to 90%
• Dimension (L x W x H)145 mm × 49.2 mm × 26.45 mm (5.7" × 1.9" × 1.0")

• Indoor station/Display parameters
• Display screen7-Inch Colorful TFT LCD
• Display resolution800 × 480
• Operation methodPhysical Button

• Indoor station/Audio parameters
• Audio inputBuilt-in Omnidirectional Microphone
• Audio outputBuilt-in Loudspeaker
• Audio qualityNoise Suppression and Echo Cancellation

• Indoor station/Device interfaces
• Four-wire interface4 Four-Wire Interfaces 1-ch Video Input, 1-ch Audio Input/Output, 1-ch Power Supply, 1-ch Grounding

• Indoor station/General
• Power supply12 VDC
• Power consumption≤5 W
• Working temperature-10° C to + 55° C (14° F to 131° F)
• Working humidity10% to 90%
• Dimension (L x W x H)195.8 mm × 132.8 mm × 18.39 mm (7.7" × 5.2" ×0.7")