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Specification

Audio Parameters
Audio Input Built-in Omnidirectional Microphone
Audio Output Built-in Loudspeaker
Audio Quality Noise Suppression and Echo Cancellation

General
Power Supply 12 VDC
Power Consumption ≤5 W
Working Temperature -10° C to + 55° C (14° F to 131° F)
Working Humidity 10% to 90%
Dimensions (L X W X H) 195.8 mm × 132.8 mm × 18.39 mm (7.7″ × 5.2″ ×0.7″)
Door Station/General
Power Supply 12 VDC