This digital insulation tester is made of , which can withstand use. Features the ABS, rubber and electronic component material, which has high durability, not easy to deform. Fine workmanship, practicality. Features -Material: ABS, rubber, electronic component Measurement range is 0.1M—1999M, 1V-750V frequency: 40Hz-70Hz. - The rated output can be selected among , , 500V and 1000V by using the function knob. alert. - High indication: There is a LED light (HV ON) in the machine and “HV” is displayed on the left side of the display screen, indicating that there is high output in the instrument, there is a of electric shock, the operator should pay special attention to safety. - Digits display, intuitive reading. Easy to operate and carry. Strong load capacity, output short-circuit greater than 1.0mA. - Complete protection circuit, not afraid of , output short circuit protection. - Fashionable style, and structure, suitable for outdoor operation. - Special design and it is in fine craftsmanship. It is the best replacement for your old, broken one. Package list: 1 x Digital megohmmeter 2 cables 2 x Clamps 1 x Manual