HIGH EFFECIENCY - Ideal for use with reptile, lizard, amphibian, small animal or plant terrariums. Also perfect for germination, home brewing, or Kampuchea Tea.DURABLE MATERIAL - High-quality heating wire heating, stable performance and long service life. The temperature of the heater can be controlled between 0-35℃, 0-95°F..ENERGY SAVING - Power adjustment design, you can adjust the power of the heat pad. ( Please use the mat with a thermostat to monitor the temperature of terrarium).WATERPROOF DESIGNED - The heat mat is easy to clean, convenient to use and low energy. Please don't use it in water. Size: 11*16.5in, Voltage: 110V, 20W, US Standard Plug, no adapter needed..BUY ONE GET ONE IN FREE: This Under Tank Heater comes with an extra thermometer to show the tank temperature to avoid overheat or freeze. Whenever needed, please kindly contact us right away and we will do our best to offer a satisfying solution within 24 hours.