This reversible heater allows for a maximum temperature setting of 38°C, gently warming small animals. I only opened it once, but I didn't use it because the outlet didn't fit. The outer box has some damage, but the main unit is new and unused. - Product Name: Reversible Heater - Temperature Setting: Up to 38°C - Size: 142x92x15mm - Weight: 0.14kg - Suitable Animals: Small animals - Features: Gently warms - Usage: Easy-to-use shape Thank you for looking.