Solar Power Clamp Display LCD Open Circuit Voltage Measurement - Minimum 0 V AC/DC Open Circuit Voltage Measurement - Maximum 999.9 V AC/DC Insulation Resistance Measurement - Minimum 0 ohm Insulation Resistance Measurement - Maximum 999.9 ohm Datalogging No Number of Memory Records 0 Manufacturer Warranty 2 yr Number of Batteries 1 Insulation Resistance Accuracy +/-1.0 Percent + 3 Digits +/-1.0 Percent + 5 Digits