Sonic Alert - Sonic Boom All Items Here are all the products in this category: Sonic Alert BL300 Strobe Receiver For use with Sonic Alert transmitters (telephone ring signalers, baby cry signaler, or doorbell signaler, see also SA-TR50 and SA-DB100) $ 49.95 Sonic Alert DB100 Wireless Doorbell Signaler Example installation: for outside door sensor, attach sensor to outside of door, then plug signaler into wall outlet, and plug lamp into the signaler $ 94.95 Sonic Alert SB200SSEU Sonic Boom Alarm Clock with Bed Shaker If this doesn't wake them up check for vital signs! Guaranteed to wake even the deepest sleeper, also ideal for the hard of hearing and elderly. $ 38.95 Sonic Alert SB300SS Sonic Boom Alarm Clock with Bed Shaker WHITE Shakes you awake withpowerful bed shaker and adjustable extra loud alarm. Also has Large green LCD (1 7/8") for the visually impaired. $ 49.95 Sonic Alert SBB500SS Sonic Boom Alarm Clock with Bed Shaker Shakes you awake with powerful bed shaker and adjustable extra loud alarm. $ 42.95 Sonic Alert SBD375SS Sonic Boom Dual Alarm Clock with Bed Shaker It's guaranteed to wake even the deepest sleeper! It is also ideal for the hard of hearing and elderly. $ 59.95 Sonic Alert TR50 Sonic Ring Jr. Telephone Signal Installation: plugunit into outlet, plug telephone cord into modular phone jack (use optional two-to-one adapter if you want to plug the phone and signaler into the same jack), and plug lamp into outlet on the unit. $ 24.95