- Sonic Alert Sonic Boom alarm clock
- Wakes up even the deepest sleepers
- Wake to any combination of loud pulsating audio alarm, flashing lights, or shaking bed (vibrator sold separately)
- Adjustable volume and tone control allow the most effective audio alert to be selected
- Large, bright green LED display, with auto dimmer
- Adjustable time display angle for easy viewing
- Battery back-up (9V battery not included)
- Compatible with Sonic Alert's complete line of signaling products, such as telephone, doorbell, and baby cry alerts (patented technology)
- 5 Year limited manufacturer's warranty