depends on what you have fot my beardies, i have one of the zilla. or zoo.med ones, that have a dimmer built inti to monitor uvb turn on/offs. but for my bps. jus ta regular walmart, up to 1500 watt, i think, my tv and theator system, ios on a monster surge protector, with the 5 year warrenty/insurence thing from the company.