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