Features: Data hold and automatic power offs function. Over ranging indication: display "1". Large LCD display(90x48mm), with back light, maximums. display "1999". Wide measuring rangeing: up to 2000M 1000V with accuracy of (4 percent of readingand2 digit). Suitable for for insulation resistance testing of motor, cable, electrical equipment, telecommunications equipment, etc. Specifications: Material: ABS Size: 165x120x57mm/6.5x4.7x2.2inches Output Voltages: DC250V/500V/1000V, 10 percent Insulation Ranging: 250V: 0.1M-20 M/20M-500 M 500V: 0.1M-50 M/50M-1000 M 1000V: 0.1M-100 M/100M-2000 M Accuracy: (4 percent reading and 2 digit) Shorts-circuit Current: Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin