Hioki IR4056-20 Multimeter Insulation Electrical Test Equipment - AC/DC 5-range testing voltage 50 V/100 MO to 1000 V/4000 MO Stable & medium-speed digital readings, response time at PASS/ FAIL decision 0.8 second Drop proof onto concrete from 1m (3.28 feet) Bright LED luminous LCD, Test lead with bright LED lamp to illuminate near hand (Option L9788-11 or L9788-10) Continuity check via 200 mA testing Built in AC/DC voltage meter, useful for testing solar power generation systems and electric vehicles