Direct Wired Doorbell Transmitter DB1-MC Weather Alerting a simple pin jack offers

a simple pin jack offers easy connection to a variety of Signature Series 418 MHz Receivers

Doorbell 418 MHz Transmitter (DB1-SS)

carbon monoxide threats

Doorbell with battery 418MHz Transmitter (DB41-SS)

fully portable

Direct Wired Doorbell Transmitter DB1-MC Weather Alerting a simple pin jack offersModel DB1 MC View Features Below Connects to your doorbell and alerts you when someone presses the button. Become aware when someone is at your door. When a visitor presses the doorbell button, the Medallion Series Doorbell Transmitter broadcasts a signal to any Medallion Series Receiver. Wired to your existing doorbell, it is activated by the same current that operates the doorbell chime when someone pushes the button. Easy to install and powered by