This is a sheet heater for small animals. I used it indoors for 2 years. (I have two of the same item, so if you would like to purchase both, please let me know in the comments. The listed price is for one item only.) Please check the photos and consider purchasing only if you understand that this is a used item. Please note that we will reuse packaging materials such as outer bags and boxes. Size: Product size (excluding cord): Approximately 14.5 x 16.0 cm Heater part: Approximately 12.0 x 13.0 cm Cord length: Approximately 1.5m Made in Japan