A reusable electric hot water bottle that heats up in about 15 minutes and can keep warm for up to 8 hours. - Brand: mofca - Size: Approximately 20cm x 30cm - Electric Hot Water Bottle: Reusable - Usage Time: Up to 8 hours - Power Consumption: Approximately 2.4 yen/day - Accessories: Instruction manual Thank you for viewing. This item was purchased at Costco last year and has only been used once. Operation has been confirmed. Please understand that this is a used item and has been stored by a private individual.