Max reading 3999 Digital display 33/4 Auto/Manually Manually DC Voltage 400mV/4V(1.0%+3d) 40V/400V (1.0%+1d) 600V (1.0%+5d) AC Voltage 4V/40V/400V (1.2%+5d) 600V (1.5%+5d) DC Current 40A (2.5%+5d) 400A (2.5%+3d) AC Current 40A (3.0%+8d) 400A (3.0%+5d) Resistance 200 (1.2%+5d) 4k/40k/400k (1.0%+5d) 4M (1.2%+5d) 40M (1.5%+5d) Frequency 10/100/1K/10K/100K/1MHz (0.1%+5d) 10MHz Capacity 40n/400n/4u/40uF (5.0%+10d) 100uF (6.0%+10d) Diode test Y Data Hold Y Beep Y Duty Cycle Y Relative value measurement Y Clamp Max Width 30mm Auto off Y Low voltage indicate Y Input alarm Y Battery 1.5V AAA Can test DC/AC voltage, and frequency capacity LCD display: LCD 33/4 digitals, Max reading 3999 Function: Auto-shift, auto-off, energy saving, data hold, Beep, relative value test, frequency/duty cycle test, low voltage indicate Can test AC/DC voltage, AC/DC current, resistance, capacity, frequency, diode Accuracy: 1.0% Clamp max range: 30mm