... ACV, DCA, Diode, Transistor & Continuity Test functions MST830L 3 1/2 digital multimetergood quality with competitive priceone year warrantyquick ... :voltage DC ,voltage AC,Resistance,electrical Capacitance,temperature,diode testing with back light displayBacklight function, DCV, ACV, DCA, ... (±1.5%±2d) accuracy Max Open-circuit voltage: 3.2V Overload Protection: 250V DC/AC virtual valueDiode and ...