First Alert SCO501CN-3ST Smoke Detector Photoelectric
First Alert Onelink combination smoke and carbon monoxide alarms. Create wireless links with other smoke alarms and carbon monoxide alarms. Talking alarm can be easily programmed for alarm's location within the home (11 pre-programmed choices). Voice also notifies which hazard is being sensed. Easily link alarms together with the press of a button. When one alarm sounds, they all sound ...
Macally SM-93 Smoke Detector
SecurityMan SM-93 Wireless Smoke Sensor - Ceiling Mount
DIGITAL WIRELESS BOTTOM VIEW SMOKE DETECTOR WITH USB RECEIVER WITH REMOTE VIEW - C1253
Camera hides inconspicuously on your ceiling Wirelessly transmits to USB receiver using encrypted signals Monitor video on your computer or over the Internet Provides detailed overhead viewsWeatherproof: No. Wireless: Yes