This is a GEX EXO TERRA Heating Top S. It's a heater designed to be placed on top of the cage. The size is approximately W15.5 x D10 x H2.8cm. It's easy to install, just by placing it, and is ideal for raising reptiles and amphibians. Please check the condition in the images. For items that are not new, the period of use and purchase date are generally unknown. *Product descriptions are generated by AI. Please research on your own if necessary before purchasing. The content shown in the images is all the information available. The condition is described based on personal impressions, not AI judgment.