Automatic & Compact: Smart integrated air temperature senor and regulator automatically regulate air temperature to 85F. Safe for Use: Safety is our top prioty. Multi-safety features are included. Ambient temp, outer shell temperature sensor and anit-bite power cord protector are all come in one Multi-Installation: Easy to install, can be put directly into box, can be hung on the top of the box, can be hung on the edge of the box, can be leave at the bottom of the cage. Adjustable Heating Power: Depending on how you install your heater, outer shell temperature sensor location can be placed in different position to make trade off between outshell temperature and heating speed. Extra Gift: Come with a mini thermometer for fun number of items: 1 unit count: 1.0Products from LUOLV's store