... C ~ 40°C Line Voltage Variation: ± 1 x 10-7 for line voltage ± 10%Gate Time ... variable from 100ms to 10sDisplay: 8 digits, 19 x 12.5mm LED display with steps, frequency, ... s and MHz/ms indicationPrecision: standard time error (t) x frequency (f) ± 1dPower Supply: 110V/220V ± 10 ... ~ 90% RHWeight: approx. 1.6kgDimensions: 270 x 215 x 100mmAccessories: this manual, power cord, test probe Frequency Counter