The Repti them U.T.H. heater is designed to economically heat reptile amphibian small animal and plant terrariums. Ideal under tank type heater for heating reptile amphibian small animal or plant terrariums. Safe accurate nichrome heating element. Full 1 year warranty Can be used in conjunction with zoo med s ceramic heat emitter when additional heat is needed for high temperature species. Laboratory tested and approved Detailed 8page instruction book enclosed.