STI’s commercial-grade Wireless Doorbell Chime and Wireless Entry Alert operate from up to 500 feet. These musical wireless chimes are quick and easy to install, with no electrical wiring and no expensive through-the-wall drilling. 

The Wireless Doorbell Chime (STI-3350) is easy to use. Simply mount the wireless button next to your door, plug the receiver into any indoor electrical outlet and the chime is ready to operate. The chime also can be used as a pager for a person who requires special care.

Wireless Entry Alert (STI-3360) is an easy-to-install device that chimes when your protected door, window or cabinet is opened. It greets visitors, customers or clients with the sound of music and alerts you to their presence.

Both units provide an exceptional operating range of up to 500 feet between the transmitter and receiver. You can select one of 10 sounds through the push of a button on the transmitter. They’re UL/cUL listed and FCC- and IC-compliant.

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