The iPower PTHTPDCTRLV2HTPDL 8″x12″ Reptile Heating Pad Under Tank Terrarium Heat Mat with Digital Thermostat Temperature Controller for Small Animals is a great way to keep your small animals warm. This heat mat features a new PTC heating material that is designed to increase overall heat transfer and provide a more uniform temperature across the mat. With a digital thermostat, you can easily control the temperature from 40-108 degrees Fahrenheit (5-42 Celsius) and a 32-140 degree temperature display range, this mat is perfect for any small animal lover.