I am selling this item because I purchased the wrong size. I used it without putting it in a cage. Model: Reversible Heater M size Temperature settings: L-38℃, H-30℃ Size: Approximately 230 x 160 x 14.5mm ✧Operation confirmed ✧No box Please understand that this is a used item before purchasing. *͈ᴗ͈ˬᴗ͈ෆ