Features - Easy Operation - Diode & Fuse Protection - Pocket-size - AC Voltage Range (± 4.0% F.S.) 10/50/250/1000V - DC Voltage Range (± 4.0% F.S.) 2.5/10/50/250/1000V - DC Current Range (± 4.0% F.S.) 0.5/25/500mA - Resistance Ranges (± 4.0% of Arc.) X10, X1K ( 0.2 ~ 500KΩ ) - Decibels Test ( -10 ~ + 62dB ) - Battery 1.5V Test - Power Supply:AA Size 1.5V battery 1pc - Dimensions & Weight: 100*68*31mm & 115g approx.