Small 5V powerful mini household ventilation fan solar exhaust fan with solar panel

Optional SKUs

SKU1-Dual 5W with stable USB socket and 4-inch fanSKU2-Dual 5W unstable USB socket+4-inch fanSKU3-Dual 5W with stabilized USB socket and 6-inch fanSKU4-Dual 5W unstable USB socket+6-inch fanSKU5-5W board with stable USB socket and 4-inch fanSKU6-6v6w aluminum frame board USB dual port+4-inch fan with two unstable voltageSKU7-5W board with stable USB socket and 6-inch fanSKU8-6v10w aluminum frame board USB dual port+6-inch fan with two unstable voltageSKU9-5v6w bracket board with a cable length of 3 meters and a stable USB socketSKU10-6v3.3w board unstable USB socket+4-inch fanSKU11-6v3w steel glass panel cable, 3-meter without voltage regulator SKU12-Accessory 4000ma mobile power supply with USB cable 6cmSKU13-Accessory 4000ma mobile power supply+5v1a charging head