This is a battery-powered fan. It's running to confirm its operation. Size: Approximately 25cm in diameter x 14cm Weight: Approximately 730g Materials: ABS resin, polycarbonate, EVA, etc. Brightness: Approximately 99lm (lumens) Bulb used: LED Power source: 4 x D-cell batteries, CPX6 rechargeable cartridge Continuous operating time (fan): With alkaline batteries/approx. 20 hours (High), approx. 35 hours (Low), with CPX6/approx. 4.5 hours (High), approx. 5.5 hours (Low) Continuous operating time (light): With alkaline batteries/approx. 80 hours (High), approx. 115 hours (Low), with CPX6/approx. 9 hours (High), approx. 30 hours (Low) Accessories: Battery cartridge. A comfortable tent fan for hot outdoor environments. Comes with an LED light to illuminate the surroundings. Can be hung inside a tent to bring cool air from the ceiling. Can be used in various ways: fan only, light only, or both fan and light simultaneously. Comes with a stand for tabletop or floor use. The blades use soft EVA foam, so they are safe to touch. In addition to the included battery box, the separately sold CPX6 rechargeable battery can also be used. Type of lantern: Battery-powered lantern Continuous lighting time: 48 hours ~ Light source: LED Accessories: CPX6 rechargeable cartridge