High accuracy with fast measuring time. Wide measuring range and high resolution. High resolution digital display. Zero value and correction value can be stored. Strong, light weight ABS plastic housing. Comfortable fit for either hand. Display: 3 digits, 10mm LCD. Range: 0 to 80 percent. Resolution: 0.1 percent. Accuracy: plus/minus (1 percent N + 1) under 30 percent; plus/minus (2 percent N plus 1) over 30 percent. Sampling time: 1.0s. Power supply: 4 x AAA batteries. Size: 218 x 76 x 53mm. Weight: 260g (with batteries). Includes carrying case.