Sonic Alert was developed to help eliminate the isolation felt by a deaf family member. For over 30 years, Sonic Alert has led the signaling industry with many industry leading products. With a visual alerting system from Sonic Alert, you'll never miss the doorbell, telephone call, alarm clock, or baby's cry. All products are UL listed for your safety.
Signalers: Sonic Alert signalers alert you by immediately flashing lights in the immediate area or by transmitting signals to remote receivers.
Sonic Alert recommendation: For proper operation and technical support, do not use Sonic Alert products with other manufacturer's products.
logo. 
