Reversible heater for small animals, maintains body temperature at 38°C. - Product Name: Reversible Heater - Target Animals: Small animals - Size: 142 x 92 x 15mm - Weight: 90.14g - Temperature Setting: 38°C I bought this last year and used it once. I haven't used it since then as I bought a new one, and it has been in storage. Thank you for looking.