Description:
A Multi-Room Alerting System for Phone, Door and Alarm Clock.

The AlertMaster AL-10 Visual Alert System notifies you when the telephone rings, someone is at the door, and when the built-in alarm clock goes off. This system can be expanded by adding additional transmitters for notification of sound or motion. This combo package is suitable for those who wish to be notified in more than one room.

This complete combo system includes:

Base unit.
Bed shaker.
Wireless doorbell transmitter. 
Simple setup - no hard wiring required
Works with existing AlertMaster™ products
Dual Power Backup keeps the system running when the power is out

User Guide Clarity AlertMaster AL10