This excellent quality, reliable thermostat is designed to be used with any heat mat. Easy to use—simply plug the mat into the thermostat then place the temperature probe into the desired location. 120 V grounded plug.

A heating mat designed to accelerate and improve the success of seed starting and germination. Features warms up faster, and distributes soft heat more evenly. 3 x 20 in. | 80-87°F Heating Range | Warms up to 20°F above Ambient Temp. | 6.5W

A heating mat designed to accelerate and improve the success of seed starting and germination. Features warms up faster and distributes soft heat more evenly. 10 x 20.75 in. | 80-87°F Heating Range | Warms up to 20°F above Ambient Temp. | 20W

A heating mat designed to accelerate and improve the success of seed starting and germination. Features warms up faster and distributes soft heat more evenly. 20 x 20.75 in. | 80-87°F Heating Range | Warms up to 20°F above Ambient Temp. | 40W

A heating mat designed to accelerate and improve the success of seed starting and germination. Features warms up faster and distributes soft heat more evenly. 48 x 20.75 in., 80-87°F Heating Range, Warms up to 20°F above Ambient Temp. 105W

The BETA-4 is capable of controlling any heating or cooling device that is 10-amps or less. Simply plug in your device to the power outlet on the bottom of the BETA-4. "day / night” temperature settings and features a built-in photocell.