Backlight function, DCV, ACV, DCA, Diode, Transistor & Continuity Test functions ... ,Resistance,electrical Capacitance,temperature,diode testing with back light displayBacklight function, DCV, ACV, DCA, Diode, Transistor & Continuity Test functionsPackage ... Environment: -10°c~50°cPower: 1* 9V battery (include)With Low battery indication functionTechnical specificationsDC Voltage: Range 200mV with 100uV ...