Description: Sensor: semiconductor alcohol sensor Warm-up time: within 10 seconds Respond time: within 5 seconds Operating temperature range: 5 to 40掳C Detection range: 0.00 to 0.19% BAC/0.0 to 1.9 g/L Digital display results (% BAC/G/L) Quick response and resume Auto power-off Red-colored backlight Low-voltage indicator Power input: use 2 x AAA alkaline batteries (batteries not included) Material: ABS Dimensions: 95 x 36 x 18mm Various breathalyzer, digital breathalyzer and 3-digit display breathalyzer are available Customized colors and designs are accepted, such as printing your logos for promotions