Ameriphone AlertMasterR Wireless Notification System - Without AMRX2 Additional Remote Receiver

Designed for people with moderate to profound hearing loss, ideal for the deaf
Flashes a connected lamp and shakes your bed with activity within the home
LEDs indicate a ringing telephone, alarm clock, doorbell, loud sound, motion sensor or audio alarm (may require optional accessories)
Distinct flashing patterns and illuminated icons distinguish between the telephone and doorbell
Expand the AltertMasterR to multiple locations with the AMRX2 remote receiver (not included)
Send and receive alert pages with the optional AMPX and AMP-X personal signalers
Optional accessories include the AMAX audio alarm, AMBX baby monitor, AMDX door announcer and AMSX motion sensor
Battery back-up requires 10 NiCd rechargeable batteries (not included)