The product is a professional police digital breath alcohol tester which adopts advanced flat surfaced alcohol sensor and can respond in 5 seconds. It is very health and convenient only at the . Features - Advanced flat surfaced alcohol sensor, high sensitivity. - results, quick response and resume. - High accuracy, detection range: 0.000-0.199% BAC / 0.00-1.99‰ BAC / 0.00-0.99 /L. - Easy to use, Light weight. With a bag for it, easy to carry. - Low power consumption, auto power-off. life. - Sensor fault self checking. - Blue-colored backlight LCD display. Specifications - Color: Black - LCD blacklight: : Advanced flat surfaced alcohol sensor - Warm-up time: Within 10 seconds - Respond time: Within 5 seconds - Operating temperature range: 5~40 - Detection range: 0.000-0.199% BAC / 0.00-1.99 BAC% / 0.00-0.99 / display results (% BAC / BAC / /L) - Power input: 3V (3 * AAA alkaline battery, not included) - Dimension: 100*62*20mm Package list: 1 * LCD Display Digital Police Breath Alcohol Tester Analyzer (Black)