General description The Mini Solar Panel Powered Ventilator Fan is a portable 5W, 4-inch exhaust fan designed for use in greenhouses, offices, and outdoor settings. It operates efficiently when connected to a solar panel, utilizing sunlight to power the fan, or can be used independently by plugging into a computer's USB port. This fan is ideal for dissipating heat and improving ventilation without the hassle of wiring. Technical specifications Solar panel chip: Polysilicon Solar panel power: 5W Solar panel voltage: 6V Panel size: 14.5cm x 14.5cm (5.71in x 5.71in) Fan size: 4 inches Power supply: USB plug, 5V USB cable length: 70cm (27.56in) Material: Metal Color: Black Other information Package Contents: 1 x Solar Panel, 1 x Fan Note: Light and different displays may cause the color of the item in the picture to differ slightly from the actual product. The measurement allowed error is +/- 1-3cm.