Silent Alert SignWave Portable Sounder Flasher Deaf Sports * The battery life data

* The battery life data was obtained in the Edifier Lab by testing with SBC decoding and 80% volume

and the advanced safety features provide peace of mind

Features: Backlight

Product Features:

Cable length: 1

Silent Alert SignWave Portable Sounder Flasher Deaf Sports * The battery life dataSilent 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