Alcohol Breath Tester is commonly used at home, bar, laboratory, Police, Military, Airport or while you are on the road. Device provided with extra mouthpieces for convenience. Specifications: Sensor: Advanced flat surfaced semiconductor 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 mg/L Digital display results (% BAC / BAC / mg/L) Power input: 3V (3 x ” ” alkaline battery, not included) Net weight: 70g Dimension: 112*60*30mm Package weight: 195g Package size: 164*116*48mm