Features:Measurement function: AC/DC current, AC/DC voltage, resistance, frequency.Large LCD display, maximum display 19999 counts.Auto turn off if there is no measurement within 15mins, energy-saving and safer.Data hold and backlit LCD with large digits for visibility in dimly lit areas.High precision, mini size, portable, and easy to carry.Protective rubber guards with anti-break bracket designWidely used in laboratory, factory and family for circuit or instrument maintenance and repair.