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 list1 * Professional Police Digital Breath Alcohol Tester Breathalyzer with LCD Screen (Black) 1 * Cloth Carrying Bag