Solar Power: The exhaust fan uses the solar panel as the power source, equipped with a standard USB voltage regulator to keep the output, it can be used outdoors anytime, anywhere, convenient and fast. High conversion efficiency: The efficiency of single crystal solar cells is up to 20%. Outdoor solar panels can effectively convert sunlight into electricity. IP65 Waterproof: Solar panel adopts epoxy resin laminated , IP65 waterproof can adapt to harsh outdoor environment, improve durability. the odor: This portable exhaust fan can help you maintain the indoor air flow effectively, keeping the air clean can help you the smell of pets, tobacco, etc. Wide range of applications: Suitable for kitchens, greenhouses, pet houses, chicken houses, tree houses and RV, etc., maintaining comfortable temperature levels. Solar fan-B Solar cell: Monocrystalline silicon Solar panel power: 10W Solar panel working voltage: 12V B Solar panel size: 360 x 180 x 3mm Output port: Female DC5521 DC cable length: 150cm B Fan power: 2X3W Fan speed: 2200RPM±10% Static Pressure: 2.7mmH2O Color: Black Material: plastic+metal Package Contents: 1 x Solar Panel 1 x Dual Fan 1 x 2in1 Cable 8 x Cable Tie and screw 1 x Chinese and English manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.