1Multiple Function: The multimeter features auto ranging, data retention, LED flashlight, 25 minute automatic power outage, warning lamp, SEL integrated mode, etc. 2Test Parameters: This multimeter can be used to detect parameters such as DC AC voltage and resistance, with high accuracy, convenient and practical. 3Digital Display: The voltage tester has digital backlight display that can clearly read data in low light conditions, and LED flashlight provides illumination. 4Battery Powered: This digital multimeter is powered by 2 AAA batteries (not included), ensuring long endurance, making it easy to use anytime, anywhere. 5Overload Protection: The digital display multimeter is based on a micro IC and dual integral AD transformer, equipped with a full range overload protection circuit. 1 x Multimeter