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Door to Door Intercom System
Functions: 1) Can watch and talk with a visitor through the screen of the indoor unit and unlock the outdoor2) Can call the management machine by pressing "Alarm" key on the indoor unit 3) The user can call and talk to others through the indoor units of different rooms4) The system adopts one code for each customer5) Through the management machine the management group can monitor what is happening in front of the outdoor unit.6) Through the management machine, the user can call and talk with another person in a different unit by the indoor units7) The user can call the management machine by pressing the " Security" key on the outdoor unit, and the security guard can talk with the caller and unlock the outdoor with the management machine8) The outdoor unit can be mated with several assistant indoor unitsSystem components: 1) Door to door video online outdoor unit2) Door to door video security indoor unit3) Switch powerSpecifications:Door to door video online outdoor unit: 1) Camera head: 1/3〞 CCD2) Lens: F=2 (hand focusing), 92 degree visual angle3) Resolving power: 420 V lines4) Illumination: 0.01LUX 5) Video output: 1VP-P/75ω6) Display: 4-digit LED7) Intercom time limit: 75 seconds8) Password: 1 -6 digit number9) Card type: ID card10) Card capacity: 15 pieces/user11) Read distance: 3 - 6mm12) Audio SNR: ≥50dB13) Audio distortion:oC15) Working voltage: DC 12V ±10%16) Power consumption: static state≤160mA 17) Dynamic state ≤350mA18) Size: 360 x 165 x 50mm (aluminum type I), 342 x 140 x 62mm (aluminum type II)19) Installation method: embedded on a wall or an iron doorIndoor unit: JB-2004V1) Specifications: 2) Monitor: 4〞B/W (CRT)3) Resolving power: 420 TV lines4) Video output: 1VP-P/75ω5) Audio distortion:oC9) Size: 225 x 195 x 75mm(V-2 type), 225 x 185 x 75mm (V-3 type), 230 x 210 x 55mm (V-4 type), 297 x 225 x 62mm (V-7 type), 284 x 240 x 60mm (V-8 type), 297 x 225 x 62mm (V-7 type), 284 x 240 x 60mm (V-8 type), 347 x 253 x 67(V-9 type)10) Installation method: hanging type or built-in type
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