Description 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 breathing at the mouthpiece. Features - Color: black. - and police digital breath alcohol tester. - Adopt advanced flat surfaced alcohol sensor, high sensivity. - High accuracy: detection range: 0.000-0.199%25 BAC / 0.00-1.99 BAC / 0.00-0.99 mg/L. - Quick response and resume. - Sensor fault self checking. - Adopt blue-colored backlight LCD display the detection result. - Come with a cloth carrying bag for convenient to carry. - Come with 5 mouthpieces for use. - Portable design, light weight, low power consumption and long service life. Specifications - LCD screen backlight: blue. - Sensor: advanced flat surfaced alcohol sensor. - Warm-up time: within 10 seconds. - Respond time: within 5 seconds. - Operating temperature: 5~40. - Detection range: 0.000-0.199%25 BAC / 0.00-1.99 BAC / 0.00-0.99 mg/L. - Power input: 3V ( 3* AAA alkaline batteries, not included).Package list: 1 * Professional Police Digital Breath Alcohol Tester Breathalyzer with LCD Screen (Black) 1 * Cloth Carrying Bag