Function:

• Monitor outside
• Lock released
• Emergency button
• Talking with outdoor station

Specifications (indoor unit):

• Power supply: transformer, 18V DC
• Screen: 4 inches B/W (CRT), 4 inches TFT
• Resolving power: 480TVL
• 3 to 10 ring: chimes
• Image last: conversation 120 seconds, monitor 30 seconds
• Power consumption: 15/500mA
• Size: 225 x 190 x 44mm
• Connection: 4 cables or CAT-5
• Working temperature: -10 to +55°C
• Installation: surface mounted