Alcohol tester used to display the alcohol content in the breath Measuring range: 0, 1-1, 5 Warning light: > 0, 2‰ Unit: Promille (or %BAC or mg/l; optional) Digital LCD display with two-tone backlight Easy one-button operation Acoustic and optical signalling Automatic self-cleaning Low power consumption Accessories: 3 blow tubes Dimensions (W x H x D): 36 x 98 x 16 mm Weight: 27 g (without batteries).