Green Air Temp-H/C-3 Temperature Controller 

Designed specifically for the control of plant growth and related environments. Perfect for plant zone environments, reptile habitats or any other application requiring automatic switching of heating and cooling equipment. 

The black anodized aluminum enclosure of this temperature controller is durable and attractive and will never corrode or discolor from hot, cold or humid environments.

Simply plug the Green Air Temperature Controller into a standard 120 volt outlet and plug your equipment into the combination outlet on the backside of the power plug.

Set the dial to your setpoint and when that level is reached the control will either heat or cool depending on your mode switch to adjust temperature 7º (3º) and shut off. 15 amp maximum.

More info from the Manufacturer (PDF format - Lots of detail.)