Functions:
1) Communicate between the outdoor unit and the indoor unit
2) Unlocks with password
3) Connected to management machine by the online host unit
4) Can be mated with the coding intercom system
5) The outdoor unit can save 10 different indoor unit numbers

Components:
1) Coding villa type video outdoor unit
2) Coding intercom indoor unit
3) Coding online outdoor unit
4) Two-way switch power

Villa Type Outdoor Unit Specifications:
1) Camera head: 1/3〞CCD
2) Resolving power: 420 TV lines
3) Illumination: 0.01LUX
4) Video output: 1VP-P/75ω
5) Intercom time limit: 75 seconds
6) Password: 1 - 6 digit number
7) Card type: ID card
8) Card capacity: 15 pieces/user
9) Read distance: 3 - 6mm
10) Working temperature: -40  70oC
11) Working voltage: DC 12V  10%
12) Power Consumption: static state ≤100mA
13) Dynamic state ≤400mA
14) Size: 125 x 175 x 38mm (Villa type II), 120 x 200 x 48mm
(Villa type V)
15) Installation method: embedded on a wall or iron door

Villa Type Indoor Unit: JB-2002V Specifications:
1) Power: supported by the wire bus
2) Monitor: 4〞B/W (CRT)
3) Resolving power: 420 TV lines
4) Video output: 1VP-P/75ω
5) Video power: DC18V
6) Audio distortion: <5%
7) Audio SNR: ≥50dB
8) Working current: ≤60mA
9) Working temperature: -10  55oC]
10) 225 x 195 x 75mm (V-2 type), 225 x 185 x 75mm (V-3 type),
230 x 210 x 55mm (V-4 type)
11) Installation: hanging type

Coding Online Outdoor Unit Specifications:
1) Display: 4-digit LED
2) Video output: 1VP-P/75ω
3) Video power: DC18V
4) Audio distortion: <5%
5) Audio SNR: ≥50dB
6) Working current: ≤60mA
7) Intercom time limit: 75 seconds
8) Password: 1 - 6 digit number
9) Working temperature: -40  70oC
10) Working power: DC 12V  10%
11) Power Consumption: static state ≤100mA
12) Dynamic state ≤350mA
13) Size: 360 x 165 x 50mm (aluminum type I), 342 x 140 x 62mm
(aluminum type II)