1.Large HD Display UserFriendly Design: 1.3' bright backlit screen clearly shows measurements and settings. Easytouse controls and compact design ensure seamless for all skill levels. 2.AUTO SHUTOFF: Powered by multimeter automatically shuts off after 15 minutes inactivity, preserving battery life. You also have option to disable this feature if needed for prolonged use. 3.Voltage MeasurementSimply connect red/black probes to live/neutral wires or positive/negative battery terminals, and the screen will instantly display the voltage value. This straightforward method makes it easy to measure voltages accurately in different scenarios. 4.Resistance Measurement and Continuity TestConnect red/black probes to either end of a resistor or circuit, and the screen will show the resistance value. For continuity tests, the device emits an alert sound when circuits are connected, remaining silent when open, which is particularly useful for troubleshooting and ensuring circuit integrity.