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• Activates when power removed—door only able to be opened while power is not applied
• Fail-safe (Normally Open): Latch will be unlocked upon power failure
• Operates with 12V AC or DC
• Suits most residential bevelled latch bolts (not suitable for square latch bolts)
• Working current: 140mA (12VDC/AC)

Add an extra station to your system to answer your door from multiple locations.

• 4” CRT Screen
• High Clarity Picture
• Door Lock Control
• Warning Signal
• Monitor Mode
• Audio/Video Output
• Auto Turn Off

Spare monitor to suit the DHF52PC handsfree audio/video intercom system

• CCD Surface mount camera
• 6 IR LEDs for night viewing
• Image angle about 53 degrees
• 127 (H) x 95 (W) x 35 (D) mm

Spare surface mount camera for Doss Handsfree Video Intercom system

• High resolution camera

Video two-way intercom with 4 inch LCD display and high resolution camera

• Hand-free monitor
• Easy to install and user friendly interface
• Door lock control
• Infrared night-vision with auto switching

Ideal solution for home video security. See who’s at the door before opening it!

• Video and audio two way intercom system
• Handsfree operation
• Simple connection and easy DIY installation
• Multiple configuration options: use up to 2 cameras and up to 3 monitors

Spare monitor for Doss Handsfree Video System DHF42PC

• 4 inch LCD colour screen
• Power supply included

Spare monitor for expanding the DHF72PC video intercom

• Up to 3 monitors can be connected
• High resolution 800×600 pixels
• Capacitive touch panel
• Slim and stylish design