【High-Efficiency Heating】 This HEATING TOP M is an ideal heating solution for reptiles and amphibians. Its highly efficient heating function provides a comfortable environment. 【User-Friendly Design】 The included easy closer allows for simple temperature adjustment. Easy to set up, it can be used with confidence even by beginners. 【Ensuring Safety】 Safety features are incorporated, including overheating protection. This product prioritizes the safety of your pets. - Product Name: HEATING TOP S-M-L - Contents: Includes easy closer - Power Source: AC power - Color: Black - Size: M Thank you for viewing. I am selling this because it doesn't fit my tank size. I only used it for one day, and it is in particularly good condition. Purchased on Amazon on November 1st.