Digital Low Temperature Alarm, Alarm range -10 to +50F, with one 277-ptc sensor included . Can be wired up to 1,000 feet away using 18 gauge wire. Operates on 110 vac. dimensions: 1 5/8" H X 7 1/4" W X 5 1/2" D
These are not a stock item. We build these per order so please order early, allow a few weeks for delivery. It would be best if you could order several months prior to " frost season "