Reliance Controls THP201 3-Function Automatic Phone Out Alarm - Home Security & Emergency Alert System for Power Outages, Fire, and Intrusion Detection

From the Manufacturer Automatic Phone-Out Home Monitoring System (Power Outage, Freezing Temperatures and Flooding). Keypad base unit plugs into phone line and electrical outlet. Internal temperature and power outage sensors and external water sensor continually monitor home for three alarm conditions: temperatures below 45 degrees F, power outages lasting more than either 5 or 30 minutes (users' choice), and flooding. Base unit calls up to three telephone numbers anywhere in North America when problem occurs. Identifies specific problem with voice message followed by user instructions for remote deactivation. Battery included.