AEMC INSTRUMENTS 1039 Battery Operated Megohmmeter, 50/100VDC. More details: Battery Operated Megohmmeter, Output Test Voltage 50/100VDC, Insulation Resistance Range 2000M Ohms, Live Circuit Detection 0 to 600VAC/DC, Resistance Range 0 to 40k Ohms, Capacitance Range 0 to 4000 nF, Display Multiline LCD, Accuracy +/-3 Percent of Reading + 5 Digits, Power Source (6) AA Batteries, Includes Test Leads, Soft Carrying Case, Instructions, Manufacturers Warranty Length 1 yr.