SportsmanSavings Zoo Med Labs Zml Rheostat Repti-Temp

With a turn of the knob, you can adjust the temperature of most non-thermostatically controlled heating devices. Plug in up to two compatible heating items with a combined wattage of up to 150 watts. Turn your heaters up in the winter and down in the summer depending on your inside house temperatures. Great for use with Zoo Med's Repticare Rock Heater, Ceramic Heat Emitters, ReptiTherm Under Tank Heaters, incandescent heat bulbs (up to 150 watts) as well as other reptile heat devices.