Jiawu 6V 2W Solar Powered Fan - Portable Mini USB Solar Exhaust Fan for Outdoor Camping, Caravan, Yacht, Greenhouse, Dog House & Chicken Coop Ventilation - 4 Inch Car Ventilation System | Perfect for Summer Cooling & Air Circulation

Feature: 1. When connected to the solar panel, the outdoor cooling fan can run; plug into the USB port of the computer to be used alone. 2. When connected to a solar panel, the working method of the solar panel powered fan depends on the sunlight. 3. When hot air is generated by the sun, the rv fan immediately rotates and dissipates heat and ventilates in time. 4. The solar panel fan saves wiring troubles, is safe and convenient, and is very suitable for outdoor use. 5. The outdoor ventilation fan power cord is long enough and there is no rechargeable battery inside, and if you need to use it at night, you can add a power pack. Specification: Item Type: Solar Panel Fan Material: Polysilicon wafer Solar Panel Output Interface: USB2.0 Fan Power Cord Length: Approx. 70cm / 27.6in Working Voltage: DC 5V Solar Panel Size: Approx. 136 x 110mm / 5.4 x 4.3in Package List: 1 x Solar Panel 1 x Fan Note: It can only work in sunlight, if you don't provide power through the USB port.

Solar Powered Exhaust Fan -- The mini solar fan starts to operate when plugged to the solar panel and it can also get power from other USB devices, such as power bank, computer, etc.

Factors Affecting Work Efficiency -- The mini fan adopts premium metal frame, is very durable for long service time. The operating efficiency of usb solar fan will depend on the sunlight intensitywhile it plugged to the solar panel.

4 Inch Small USB Desk Fan -- The solar exhaust fan with adjustable support stand, you can place it stably on the table and make this small portable fan in a convenient angle.

Can Work at Night -- There is no rechargeable battery in the dog house solar fan, if you need the fan works at night, you can use a power bank.

Indoor And Outdoor Fans -- This USB solar mini fan is suitable for most indoor and outdoor occasions, eg, outdoor travelling, fishing, hiking, picnic and so on.