Purchased 3-4 years ago. Used only during the cold season. Operation confirmed, surface has some discoloration. * No mounting clips. Secured with cable ties. * Spring guard is detached. * Temperature adjustment tab is broken. Use only in HI mode. 20W waterproof heating device, AC100V compatible. Please consider this item if you understand that it is a used product. Please refrain from purchasing if you are sensitive to the condition of used items.