Thank you for viewing. I am selling this because I no longer need it, as I have replaced it. The photo on the 10th page shows the surface temperature of the plate 5 minutes after power-on. - Product Name: External Bird Heater - Product Category: External wall-mounted heating device for pet cages - Target Animals: Small birds - Main Materials: Polycarbonate (body case) - Country of Manufacture: Japan - Power Consumption: 20W - Product Size: Body 124 x 190 x 25.5 (mm) - Included Items: Fasteners, Instruction Manual Thank you.