This is a heater for small animals. It's a 2-way heater with two heat settings: high and medium/low. Brand new, unused. - Model: 2-Way Heater-L - Usage: Can be hung outside the cage or placed inside. - Temperature Settings: Two settings: high and medium/low. - Material: Water-resistant material - Size: Heater body 　　　　Width 29.6 x Depth 21.1 x Height 1.7 cm Seller: GEX Thank you for looking.