1) Upgraded USB socket for direct lithium battery charging Provides convenience, speed, and costeffectiveness by enabling charging with a lithium battery using the included USB data cable. Ensures safe, hassle operation without requiring separate charging steps. 2) Intelligent touch screen for easy operation Smart touch screen offers smartphonelike operation for intuitive use. VA color reverse display delivers clear touch input and strong brightness for easy readability. 3) Enhanced safety with NCV noncontact electricity measurement NCV sensor enables safe noncontact detection of live electrical sources. The closer the multimeter gets to the source, the faster the alarm sounds, with a flashing red indicator for quick warning. 4) Flashlight for lighting up the measurement area Builtin flashlight illuminates the measurement area in dark environments. Helps prevent accidental electric shock and supports nighttime measurement tasks. Typical use scenarios Automotive electrical checks: verify battery connections, wiring, and fuse status during routine vehicle maintenance. Home electrical maintenance and DIY electronics: test outlets, wiring, and circuits in residential projects or hobby work, including dimly lit areas. Field service and onsite measurements: conduct safe noncontact checks and perform measurements in lowvisibility conditions with builtin illumination.