Working environment: 0℃-40℃, relative humidity 70%RH Storage environment: -10℃-50℃, relative humidity 80%RH AC and DC voltage Range:200mv, resolution: 0.1mv 2v, resolution: 1mv 20v, resolution: 10mv 200v, resolution: 0.1v 600v, resolution: 1v AC current Range: 2A, resolution: 1mA 20A, resolution: 10mA 200A, resolution: 0.1A The appearance may be slightly different due to different factory batches, but it not affect the use Colour:As Shown Material:ABS+electronic components Package Contents: 1 x capacitor tester(Not including 3 x No.3 Battery, you need to prepare them yourself) 2 x wires Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.