Large HD LCD with data hold function keeps measurement results visible for easy recording and review Auto power off helps conserve battery power (battery not included); a low battery indicator alerts you when a replacement is needed Ergonomic design delivers a comfortable grip and a smooth, intuitive feel for quick one-handed operation and simple button control Integrated four patterns provide precise testing across different measurement needs After-sales service available: we respond to customer inquiries within 24 hours and take responsibility for every customer 2-3 practical use scenarios - Ideal for home electronics maintenance and quick measurements on hobby projects - Suitable for field service and on-site maintenance where fast readings are required - Useful in workshop or lab settings for routine checks and precise testing with multiple patterns Technical and performance notes - Functionality includes data hold, auto power off, and low battery indication - Four testing patterns enable versatile, accurate testing across applications - Designed to be easy to use with a straightforward button layout and ergonomic form factor