Features Durable: The resistance tester is made of ABS material, durable to use, with long service life. It has a soft and durable protective cover and anti-seismic protection function, which can protect the multimeter and prolong the service time of resistance tester. Wide Use: The resistance tester has the ability to test the resistance of the atomizer, the function of burning the wire and the function of charging. Can test the resistance value of EGO 510 808D M7 M8 and other specifications of screws. Service Assurance: Our aim is to provide the best service for customers. If you have any questions about our products, please feel free to contact our customer service. We will try our best to solve the problems for you. Easy to Operate: The using method is simple, you just install the battery, toggle the switch, and connect to the object to be measured to display. Small body and light weight, the product is easy to operate, the test range is 0.01-20Ω. Exquisite design: The voltage tester is small, fashionable and modern, and is equipped with a beautiful large LCD screen, easy to carry. As a small box design, you can put it in your bag and take it anywhere. Specification: Item Type: Resistance OHM Meter Coil Tester Material: ABS Test Range: 0.01～20Ω Test Error: 1%-3% Standby Power Consumption: <10μA Power Supply: AA(1.5 V) x 2(not included) Function: Test the resistance and burning of the atomizer, with charging function; Testable: EGO 510 808D M7 M8 and other thread specifications resistance value  Package List: 1 x Resistance Tester Package List 1 x Resistance Tester