Features: 100% brand new and high quality. If the C13 interface is not suitable for your power supply,You can cut the wire and connect your battery or power supply. DC 12V-85V input,with Adjust Speed on off switch,Power source: Storage Battery or 12V 24V 36V 48V 60V 72V 85V DC power adapter. Small ceiling fan great for hot summer and windless day, also for dormitory bed or tent,Camping Outdoor Barbecue Picnic and more. 3 leaves blades design, flexibility is strong, made of ABS high elastic material, and the wind is more soft, does not hurt the hands. Low power, silent,energy saving design,with on off switch,easy to use. Specifications: input: DC 12V-85V Power: 6W Color: White Material: Plastic Fan diameter: 50cm/19.6inch Power cable length: 400cm Package includes: 1 x 12V-85V Ceiling Fan