video door phone-R4

Model:SCT-300BVLS-R4-4/SCT-300BVLS-R4-5 (Color LCD, safe guard) SCT-300BVS-R4 (B/W safeguard mode) Basic function: Receive call from outdoor unit and entrance unit Remote unlock and monitor doorway Call each other with managing center 8 guard-zones for security Mute Arm and disarm by terminal. Set delay-time to put guard zones into effect Separate button for emergency call Number keypad Keyboard LED control Hands-free Optional function: Support sub-indoor unit Doorbell function Operate by telecontroller :Arm, disarm, alarm, cancel alarm, etc. Specification: Voice S/N:≥55dB Ringing:≥ 70dBA Display:4 / 5 inches, TFT LCD 320*234 Talk limit:2min Power supply:12V DC Communication mode:Base-Band network Power consumption:Standby 0.5W/operation 9,6W Alarm volume:≥ 80dBA Appereance & dimension Ivory, silvery and champagne available Dimension(built-in):260*230*20mm (outside part) 265*251*74mm (built-in iron box) Dimension(super-thin):260*230*35mm Built-in/super-thin hanging installation available There are non-safeguard video king-04.