The Vibra-Call Receiver is a personal lightweight alert system for people who are deaf/blind. When the receiver detects a signal from a Silent Call 318 Mhz transmitter, it activates its vibrator with a predetermined output vibration for each type of transmitted signal .
•Simple to operate
•Improved Range of up to 200 feet
•Battery operated (9 volt nickel metal hydride battery included)
•24 hour operation when used with the Sleep/Alert charger (model # SAChgr) and bed vibrator (model # VIB-PJ)*
•System may be built, adding 318 Mhz transmitters as desired
•Braille instructions included
•5 year limited warranty