Fitments:       This Multitester can be used for AC / DC test voltage, DC / AC current test, the strength of the electric current hfe  (amplification DC) test frequency test valve test two-electrode, transistor test NPN PNP , etc. You can use the Multimeter        multimeter Digital LCD can be used to Ohm AC / DC volt test and review all types of circuit boards display Auto polarity / Diode Test /  Transistor P-N test junction / test Transistor HFE Auto turn off & Data hold function.               Features:  Large screen, easy to read  Convenient and practical, suitable for beginners  50Hz square wave output as signal source  in more places, such as factory, school lab, home hobby, machine repairing, etc.            Technology features  DCV: 200m-2000m-20-200-1000V ±0.5%  ACV: 200-750V ±1.0%  DCA: 2000u-20m-200m-10A ±1.8%  Resistance: 200-2000-20K-200K-2000KΩ ±1.0%           Specification:  Color: black, red, yellow, grey, blue  LCD size: 62x34mm  Max display: 1999  Low battery indication: yes  Diode test: yes  Transistor test: yes  Continuity buzzer test: yes  Square wave output:: yes  Safey ensure:Overload protection function  Power supply: one 9V 6F22 battery (No batteries included)  Product size: 128mm*70mm*25mm  Product weight:about 127g           Package Included:        1 x AN8206 Digital multimeter (No batteries included)   2 x Test line   1 x Manual                           Item show