Sonic Alert is a popular company that makes flashing alerts for the home. Generally these use lamps that plug into their modules.  They do have strobe lights too. Very nice cost-effective way to cover every room in your house or building.

(SA-101) Notification Devices Basic Remote Receiver (Sonic Informer) The Sonic Informer, will alert you by flashing any attached lamp. MSRP: $48.00 Your Price: $42.00 Qty: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

(SA-201) Notification Devices Deluxe Remote Receiver with On/Off Switch The Sonic Link, will alert you by flashing any lamp that is plugged into its Pluglet (Plug-outlet). The Pluglet allows you to keep your table uncluttered by unsightly lamp cords. The signaling lamp can also be used for normal room lighting by using the lamp on/off switch. There is also an indicator light to remind you to turn on the attached lamp. MSRP: $44.95 Your Price: $42.00 Qty: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

(SSLB1) Notification Devices Light Bulb Adaptor The Light Bulb Adaptor allows an ordinary light bulb to be plugged directly into a Sonic Alert signaler or remote receiver. Your Price: $2.00 Qty: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

(SA-RH100) Notification Devices Siren Horn--receiver The Remote Horn, receiver will alert you by sounding an adjustable tone and volume control. MSRP: $39.95 Your Price: $38.00 Qty: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

(SA-120 Vibrator) Notification Devices Sonic Alert 120 V Bed Shaker Super Shaker Bed Vibrator. The powerful vibrations are guaranteed to wake up even the heaviest sleeper. MSRP: $44.95 Your Price: $42.95 Qty: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

(SA-DB-100T) Notification Devices Sonic Alert Doorbell Sensor Sonic Alerts Doorbell Transmitter for Models DB100 and DB 200 MSRP: $39.95 Your Price: $38.00 Qty: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

This category has a total of 9 products divided in 6 per page.