Wired Audio Door Phone

Wired Audio Door Phone Security System lets you hear a person calling at your door before you open it. The Doorbell Intercom Security System all appears to be ingenious. When a visitor–wanted or unwanted–approaches a house on foot or in a vehicle the motion-detecting sensor unit of this warning device sends a signal to the receiver indoors which chimes an alert. The Non-visible Doorbell Security System makes it easy to replace your home’s generic doorbell ring with a chime tune that better fits your individual style. You’ll love this Wired Doorbell Security System.

• Two-wire connection
• With a new ABS plastic, durable
• The excellent consumer side of the tone circuit, intercom voice clarity
• Effective distance of 200 meters above the intercom
• Easy installation easy use