From now on when visitors arrive and press the doorbell, the appearance of your visitors will be displayed on the screen allowing you to see and speak to them. This convenient and high-tech system can make you feel secure at home.

• Screen: Handfree 4" CRT.
• Panel: plastic material.
• Intercom: Among monitors in one house.
• Expansibility: Up to 5 Monitors in one house, up to connect 4 cameras by MDS (4 way cameras switchers).
• Compatibility: Can work well any model outdoor camera.
• Melodies: 15 pieces melodies can be selectable as favor ring.
• Power Supply: DC 15-18V (Supplied by Adaptor).
• Consumption: Standby 0.5 W: Working status15W (For kits).
• Wiring: 4 wires in polarity.
• Distance : 50m when RVVP 4*0.3mm is used.
• Video signal: 1Vp-p,75ohm,CCIR standard.
• Audio transmit: Full duplex.
• Monitor timing: 30 seconds.
• Talking timing: 90 seconds.