The Seaward PV210 SOLAR TEST KIT is the most advanced and comprehensive solar testing kit on the market. It features a unique combination of features that make it the ideal choice for solar installers, maintenance professionals, and homeowners alike. All-in-one design: The PV210 includes everything you need to test solar panels, inverters, and batteries, all in one convenient package. Easy to use: The PV210 is designed to be easy to use, even for beginners. The intuitive interface and clear instructions make it simple to get started. Accurate and reliable: The PV210 uses the latest technology to provide accurate and reliable test results. You can be confident that the results you get are accurate and will help you make informed decisions about your solar system. Rugged and durable: The PV210 is built to withstand the rigors of field use. It is housed in a rugged case that protects it from damage.* Affordable: The PV210 is priced affordably, making it a great value for your money.