Sonic Boom Classic Alarm Clock $54.95 Description: With adjustable volume and tone control, it is guaranteed to wake up even the heaviest sleepers Also can be used as an alerting receiver when used with Sonic Alert transmitters Can wake up to any combination of a loud audio alarm (113dB), flashing lights (by plugging a lamp into it), or shaking bed (vibrator sold separately) Features a large, bright LCD screen Battery backup for power outages Built in receiver to pick up signals from other Sonic Alert signalers 5 year warranty Options available: Standard ($59.95) (pictured above) Bed Shaker ($76.95)