Signature Series Doorbell 418 MHz Transmitter with Button (DB2-SS) Weather Alerting Notifies you with a bed

Notifies you with a bed vibrator

smoke and more

It connects by wire to two magnetic contact bars mounted on the door or window and its frame

phone calls

it signals any Medallion™ Series Receiver when triggered by voltage input from the alarm system

Signature Series Doorbell 418 MHz Transmitter with Button (DB2-SS) Weather Alerting Notifies you with a bedReceive a notification when visitors come calling. The Signature Series Doorbell Transmitter with Button alerts you to the arrival of a family member, friend or delivery person at your door. It sends a signal to any Signature Series Receiver when they press the doorbell button. Supplied with a doorbell button for mounting at your entranceway, it is intended for installation where there is no existing wired doorbell. It operates on two AA batteries.