DM850 Digital Multimeter Automatic Professional 1999 Counts Auto AC/DC Votage Tester Ohm Current Ammeter Detector Tool DM850 Eletric Digital Professional Multimeter General: Not include battery This instrument is a compact pocket-sized digital multimeter for measuring AC&DC voltage,DC Current,Resistance and Diode.Also provide Temperature,audible continuity test function or can be used as single generator.Full range overload protection and low battery indication are provided.They are the ideal instrument for use in fields,such as laboratory,workshop,DIYers,and the home applications. Specification: Function Range Accuracy DC Voltage 200mV +-(2% of rdg+3D) 2000mV/20V/200V +-(2% of rdg+5D) 600V +-(2.5% of rdg+5D) AC Voltage 200V/600V +-(2% of rdg+10D) Frequency Range 45Hz~450Hz Audible Continuity Test Yes DC Current 200uA/2000uA/20mA +-(2% of rdg+2D) 200mA +-(2.5% of rdg+2D) 10A +-(2.5% of rdg+10D) Resistance 200 +-(2.5% of rdg+10D) 2000 /20k /200k /2000k +-(2.5% of rdg+4D) Overload Protection 15 second Package: 1*Multimeter 1*test leads 1*manual 1*outer packing box(by option)