TrolMaster Digital Day Night Temperature Controller Beta-4

The BETA-4 can regulate any heating or cooling appliance rated at 10-amps or less. Simply connect your device to the power outlet on the BETA-4's bottom. It has a 3-button digital display, separate "day / night" temperature settings, and a built-in photocell.

• Display of Digital Data
• Photocell sensor built-in
• Day and Night Control