Smart automatic multimeter tester TM-510: an auto-range digital multimeter that automatically switches between readings for AC voltage, DC voltage, resistance and continuity without selecting a mode or range. This delivers simple, fast and accurate measurements. Non-contact voltage tester: safe, contact-free voltage detection with visual and audible alarm. Time-saving and reduces risk. The outer silicone cover protects the meter from damage and potential electric shock. Professional digital multimeter: supports data hold, automatic shutdown, low battery indicator, backlit display and built-in flashlight. These features improve reliability for everyday use in home, automotive and hobby projects. User-friendly display: clear, easy-to-read digital screen shows readings and adjustable settings and modes to suit different tasks. Use scenarios: - Home electrical checks such as outlets, switches and appliances - Automotive diagnostics for battery, wiring and circuits - DIY electronics projects and routine troubleshooting Key attributes: auto-range operation, AC/DC voltage, resistance, continuity testing, non-contact voltage detection, silicone protective cover, data hold, auto power-off, low battery indicator, backlit display, flashlight.