This is a smart size exhaust cooling fan. Its working voltage is 18V DC. This fan has the ability to run at a speed of 1500 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.