The wireless doorbell with light up alert is the easiest doorbell to install because it needs no complicated tools, wiring or programming. And since it doesn't need any electricity, you can put it anywhere up to 150 feet transmission away from the base. It works just like a normal wired doorbell and even has the two most popular tones, ding dong or Westminster chime. These have never been used. Adjustable volume control. Strobe light effect on doorbell ring. Compare at $49.99. 8
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