Digital Multimeter Pen - Basic Features 3400 Instrument Counts Basic DC Accuracy +/-0.50 Percent of Reading + 2 Digits CAT III 300V CAT II 600V Max AC Volts 600 Max DC Volts 600 Max AC Amps 10 Max DC Amps 10 Audible Continuity Yes Max Ohms 34 megohm Temp Range 32 Degrees to 104 Degrees F Display LCD Bar Graph Yes Calibration Certificate Included No Includes Ground Test Lead With Alligator Clip Batteries Spare Probe Tip Instructions Manufacturers Warranty Length 1 yr.