WatchDog - Color Frost Alert - Manual

Spot frost conditions easily in your vineyard or orchard. Spot frost conditions easily in your vineyard or orchard with the WatchDog Frost Alert. When the temperature approaches freezing, the high-powered LED light (visible from about two miles) changes color and flash frequency to indicate temperature conditions at-a-glance. The Frost Alert will shut off above 37ºF to conserve power. Requires 6V lantern battery (not included).