The resistance tester is made of ABS material, which is durable and has a long service life. Small size, light weight, easy to operate, with a test range of 0.01~19.9. LED display with high precision provides accurate resistance readings. Compatible with screws such as EGO 510, 808D, M7, and M8 for resistance testing. Simple to use: install the battery, toggle the switch, connect to the object being tested, and the reading will be displayed. Specifications: Resistance measurement range: 0.01~19.9 Test error: 1~3% Voltage measurement range: 0.0111.9V Power supply: 1.5V AA battery x 2 (battery not included) Display mode: LED screen (red) Product size: 69 x 49.6 x 26mm Material: ABS Color: Black Package Contents: 1 x Resistance tester Note: Light reflection and differences in display screens may cause slight variations in the color shown. Measurement error allowed is +/- 13cm.