Reliance Controls THP201 Automatic Phone Out Alarm with 3 Functions

Monitors homes, condos, cottages, outbuildings, cabins, businesses etc. Automatically calls up to three different owner-programmed phone numbers on existing telephone lines in the event of power failure, temperature below 45 degrees, water leakage or floo ding. Installs in minutes with no special wiring. Selectable 5 or 30 minute initial call-out delay, continues calling for up to 10 hours. Voice message identifies the problem. FCC approved, 9 volt battery backup included.