Professional Home Alcohol Breathalyzer Non-Contacting Non-Contacting Breath Blow Tester 10s Quick Response Alkohol Sensor 50percent OFF. This alcohols tester is intellectualized design, adopts high sensitive chip and intelligent semiconductor sensors for more accurate measurement. Non-contacting blowing design which avoids the breeding of bacterium in the blowpipe, quick troubleshooting without pipeblowing and make the measurement healthier. Equipped with three color detection indicators, the test results are clear at a glance, red represents drunken state, yellow represents drinking state, green non-drinking state. Type:Breath alcohol detector Measurement range:0-0.19percent Voltage:5V1A (v) Measurement accuracy: 0.01 Warm-up time: 10 (s) Response time: 5 (s) Colour:Black Material:ABS Package Contents: 1 x Alcohol concentration tester 1 x Data cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.