Zoo Meds ReptiTherm Habitat Heaters are great for large turtles and large reptiles. This 40 watt heater has an automatic shut off at 119 degrees and saves your pet from any harm. 120 volt, 40 watt heater with LED light to indicate when heater is on Automatic thermostat protection shuts off to prevent overheating Water-resistant construction ReptiTherm Habitat Heaters are well insulated and can save you up to 80% on energy costs. Utilizing molded in mounting rails, this Habitat Heater offers a safer and faster installation. Metal-reinforced 9-foot power cord prevents animal damage. Specifications: 40 Watt, 120V Automatic shutoff: 119°F (48°C) Dimensions: 18"L x 18"W x 1"H