Built with a 500mAh rechargeable battery, and supports long-term repeated use The tester can distinguish between live ( hot) and neutral wires, providing critical guidance for safe electrical construction and maintenance This is an advanced voltages tester designed to accurately measure alternating current voltages values, suitable for household and industrial electrical systems Featuring a highly definition color screen, it ensures clear visualization of voltages readings, enhancing usability in various lighting conditions Equipped with none-contact sensing technology, it safely identifies live wires without physical, ideal for pre-checking voltages presences before operate, Manufacturer: RGYBAO