Specifications

User control: Call key with amber backlight Audio input: Built-in microphone with automatic gain control Audio output: Built-in speaker Amplifier: Monaural (for system functions only) Volume control: Installer-adjustable potentiometer Cover plate: Weatherproof plated die-cast zinc Available finishes: Polished brass, antique brass, brushed chrome CAT-5 connector: 110 punch-down block Doorbell connector: 2-pole screw terminal Doorbell wire size: Up to 18 AWG (1.024 mm) Doorbell contact: 1 A @ 12 VDC Overall Dimensions: 3" W x 5.125" H x 3.25" D (7.6 x 13.0 x 8.3 cm) Dimensions in wall box: 2" W x 2.875" H x 2.75" D (5.1 x 7.3 x 7.0 cm) Wall box required: Single gang, 22 cu in (360 cm3) min. volume Weight: 8 oz (227 g)