MULTIMETER: AC/DC voltage, AC current and resistance measurement; Diode test, continuity test. Features with Data Hold, Max Reading and an easy-to-read large LCD. DURABLE QUALITY TESTER: Complete function, stable performance, high precision. Full range of overload protection circuit, safe and reliable to use. AUTO0-RANGING DIGITAL MULTIMETER: Powered by 1 pc 1.9V battery (Included). Compact and lightweight design, comes with a handy carrying pouch for easy carry. MULTIFUNCTIONAL METER: Ideal tool for circuit/power equipment maintenance. Widely used in family, school, smelting, telecommunications, manufacturing, petroleum, defense, electric power, chemical industry and other fields. 12 MONTHS WARRANTY: Worry-Free Guarantee. 90 days refund or replace for no reason. Problems will be solved as soon as possible during these 1 year. Please feel free to conatct us if there are anything we can do for you.