TIP - Model FREALM013 - Battery Powered Freeze Warn Light System- Brochure

The Freeze-Warn Light System is a complete, self-contained, self-powered signal system with magnetic base. Rugged Preset Thermostat turns on flashing lights at 42°F. The light will automatically stop flashing when the temperature rises to 52°F. Battery-powered to give its warning even when electrical power is off or the telephone is out. Uses (2) standard D-Cell Alkaline batteries (INCLUDED). So stop crossing your fingers each time you worry about thermal abuse.