Connect an extra monitor to your Marmitek Doorguard 400 system to allow you to see who is at the door and speak with the caller from other parts of your home. Can also be used as an intercom between other monitors. Maximum of 3 per system.
Telephone support during office hours, and email support quite often out of hours too!
All products are covered by our 30 day money back guarantee. If you're not happy, return the goods to us in the condition you received them for a full refund.
Not in a hurry? Our super saver delivery option gives you free delivery within 5 - 7 days (although many customers receive their items much quicker!)