Alcohol Detector

Indication of B.A.C:10 steps from 0.00 to 0.10% B.A.C Warm up time: I’ 30 seconds,Response time within 2 seconds Maximum test times in 1minute 10 times,Recycle time I’ 20 seconds No need to use mouthpiece, Sensor Semiconductor type alcohol sensor, Power supply Three 1.5v "AAA" size alkaline battery,Continuous using time without battery change-3 hours Weights: 125g