The REPTITEMP 500R can be used with ceramic heat emitters, reptile heat pads, infrared heat lamps and other types of reptile heating devices. Simple to use, works much like an aquarium heater. You adjust the control knob up or down (high or low) until the desire temperature level is reach. It will then automatically control up to 2 heating devices to give you precise temperature control within the range of 70F – 110F (21C-43C). Comes complete with a remote 6ft sensor cable.