ts working voltage is 12V DC. It can work with a simple 12V battery without any difficulty. This fan has the ability to run at a speed of 6800 ~ 13000 rpm. The body of the fan is built from a combination of resin and plastic material. The combination provides strength and insulation to the fan. Due to its manufacturing, It is light in weight and strong enough to bear some falls on the ground. So if you are looking for a perfect combination of strength and insulation in a single fan, then you are in the right place. Features : Very light in weight So small in size just as the size of your palm 12V DC is enough to run this little guy It can withstand high room temperature. Condition : 100% Well Working voltage  : 12V Lightweight Durable Dimensions of the fan  :  60mm x 60mm x 40mm Package Includes :- 1 X DC 12V 8038 High Speed Cooling Fan – 60X60X40 mm Size * Product Images are shown for illustrative purposes only and may differ from actual product.