Signature Series Doorbell with Battery 418MHz Transmitter (DB41-SS) Receiver Easy to install and powered

Easy to install and powered by the doorbell’s electrical circuit

it connects in seconds to the phone jack of any standard analog phone line

Lets you adjust the sound threshold at which it activates

Range: Up to 500 feet

Signature Series Doorbell with Battery 418MHz Transmitter (DB41-SS) Receiver Easy to install and poweredDesigned for use with the latest digital doorbell systems, the Signature Series Doorbell Transmitter with battery is wired to the doorbell circuitry and is activated by the same signal that operates the doorbell chime. It then notifies any Signature Series Receiver to let you know a family member, friend, neighbor or delivery person is at your door. Attaches to the latest digital doorbell systems Activates by the same signal that operates the doorbell