ACA 400/1000A +/- (1.5%rdg+3dgt): 400-500Hz ACV 400/600V +/- (1.0%rdg+3dgt): 40-500Hz DCA 400/1000A +/- (1.5%rdg+3dgt) DCV 400/600V +/- (0.75%rdg+3dgt) Ohm 2000 Ohm +/- (1.0%rdg+3dgt) Buzzer Sounds Conductor Size 40mm Max. Low Battery Indication yes ...