Analog Four Wire Indoor Station 4-wire analog indoor station 7-inch TFT screen with 800 `d7 480 resolution Physical buttons design for easier operation Supports three indoor stations cascading in the intercom system Supports remote unlocking, monitoring door station and external analog camera Display parameters Display Resolution 800 `d7 480 Display Screen 7-Inch Colorful TFT LCD 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`b0 C to 55`b0 C (14`b0 F to 131`b0 F) Working humidity 10% to 90% Dimensions (L x W x H) 195.8 mm `d7 132.8 mm `d7 18.39 mm (7.7″ `d7 5.2″ `d70.7″) Door station/General Power supply 12 VDC
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