Silent Alert SignWave Portable Sounder Flasher Deaf Sports choose vibration power and pick

choose vibration power and pick your favourite wakeup sound

Microphone:6mm capacitance microphone

and the advanced safety features provide peace of mind

Features: Backlight

Silent Alert SignWave Portable Sounder Flasher Deaf Sports choose vibration power and pickSilent Alert SignWave Portable Sounder Flasher Silent Alert's SignWave Receiver for both Deaf and Hard of Hearing people uses on board strobe, variable sound frequencies, and incoming alert symbols to notify the user to an event. The unit is light weight and fully portable with a rechargeable battery. Each event has a unique sound to help the user to identify the different alerts. A volume and frequency setting can be altered to suit an individuals