The moisture meter can quickly measure the moisture content of the grain. 1. Premium Material: Made of silicone and plastic, the solar panel powered dual fan is sturdy, durable, reliable, waterproof and has a long service life. 2. Dual fans: Solar panel exhaust fans adopt dual fan design, can discharge hot air, effectively lower the room temperature and maintain air circulation. 3. Solar powered: when the sun shines directly on the solar panel, the greenhouse exhaust fan can rotate at speeds up to 3000 rpm. double-sided printing (duplex): yes When the sun is weak, the fans run slowly or even stop working. 4. Waterproof: 10W solar exhaust fan motor parts, including PCB panel, wire and shaft, are coated, can prevent short circuit or rain caused by damage. 5. Suitable: silicone solar powered double fan is practical, suitable for greenhouse, chicken coop, dog kennel, RV car and so on. Specification: Item Type: Solar Panel Powered Dual Fan Material: silicone, plastic Weight: 513 g/18,10 oz Color: as shown Size: Solar panel: approx. 27x17,5 cm/10,63x6,89 inch Fan: approx. 12x12x2,4 cm/4,72x4,72x0,94 inch Maximum fan speed: 3000 rpm Display Built-in CFM: 200 CFM Voltage: 12V Current: 2A Power: 10 W Conversion rate: 23 percent to 24 percent Application: suitable for small chicken coops, greenhouses, sheds, pet booths, window exhaust in hot summer List of packages: 1 x Solar Panel 2 x fan Note: The dual solar panel powered fan is not equipped with an energy storage function. Can be used in a sunny situation