Signature Series Doorbell with Battery 418MHz Transmitter (DB41-SS) Receiver Detects vibration from your phone

Detects vibration from your phone

Signals incoming cell phone calls

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

it is activated by the same current that operates the doorbell chime when someone pushes the button

It recharges overnight in a Charger/ Docking Station

Signature Series Doorbell with Battery 418MHz Transmitter (DB41-SS) Receiver Detects vibration from your phoneDesigned 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