Overview: Portable & convenient to carry Easy to use & quick response & resume 1.6" LCD blue 3-digit backlit display Test range: 0.00~1.00mg/l Units: mg/100ml, mg/l, %BACAlarming level: 0.25mg/l Required batteries: 3 AAA batteries (not included) Comes with English manual Specification: Weight Approx:78g Size Approx:10.5 x 8 x 2