Insulation series digital tester which adopts low loss high ratio of inductance energy storage DC voltage converter can change 12V voltage into 250V/500V/1000V DC voltage. It uses digital LCR bridge for resistance measurement and the insulation resistance test.It has many advantages such as light, wide measuring range, backlight display, test lock and other function. It can also be used for electricity measurement with great advanced appearance, stable performance. Based on straps design, you can operate with both hands.It can applied in motors, cable, mechanical and electrical equipment, telecommunications equipment, power facilities and other insulation resistance testing areas.colour: green/redMaterial: PlasticPackage Contents:1 x Resistance megohmmeter1 x Aligator clip1 x Test cable1 x English ManualOnly the above package content, other products are not included.Note: Light shooting 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.