The moisture meter can quickly measure the moisture content of the grain. 1. Package includes: solar panel kit includes 250W solar panel, 10A 12V/24V solar charger driver, with crocodile clamps and cigarette lighter beam to charge the battery, easy to fix and install. 2. Wide Application: Suitable for various off-grid applications using 12V batteries, such as sheds, cabins, door openers, etc., as well as for charging AGM batteries, flooded, gel, deep cycle, etc. in cars, suitable for motorhomes, boats, trailers, motorhomes, pumps, etc. 3. Multiple protection: Equipped with 10A solar charger controller, can prevent battery overcharging, overvoltage, discharge and short circuit, reverse polarity protection, fully protect the battery. 4. High energy conversion: Solar panels can effectively absorb solar energy thermal radiation and greatly improve photoelectric conversion efficiency, energy saving and environmental protection. 5. Waterproof and portable: the size of the solar panel is 543x280x2mm, lightweight and easy to carry. Made from waterproof, durable materials, these panels are fully waterproof and designed for long-lasting use. Specification: Item Type: Solar Panel Kit Material: metal, ABS, monocrystalline PET Solar Panel Power: 250W Controller Voltage: 12/24 V Controller Current: 10A Solar Panel Size: Approx. 543x280x2mm/21,38x11,02x0,079 inch List of packages: 1 x Solar Panel 1 x Controller 1 x linia battery terminal 1 x linia lighters 4 x Suction Cup 2 x Instructions