7 Functions 20 ranges Confirms to the EN61010/IEC1010 standard CAT II 600V DC Voltage:0-2.5/10/50V (10KΩ/V)/250/500V(4KΩ/V )±3%f.s AC Voltage:0-10/50/250/500V(4KΩ/V) ±4%f.s DC Current:0-50μ/5m/500m/10A ±3%f.s Resistance:x1/x10/x100/x1KΩ±3% full arc Battery test:1.5V(150mA)/9V(15mA) Continuity Buzzer:0-20Ω sound Decibel:-10-+22dB(0dB/0.775V 1mW 600Ω) Power source:1.5V(UM3)*2 Fuse:0.5A/250V 5*20mm fast acting Size:145*72*40mm Weihgt:185g