Digitial Alcohol Breathalyser Black

Highlights
Designed to help measure blood alcohol content detection range from 0.00-0.19% BAC
Digital display with blue backlight
Five-second response time
Auto-off function
Includes user manual and carry bag
Features
LCD backlight
Sensor: Advanced flat surface sensor
Warm-up time: Within 10 seconds
Operating environment: 10-50
Detection range: 0.00 - 0.19% BAC & 0.0-1.9g/l
Dimensions: 112 x 60 x 30mm
SMD assembling, stable performance
MCU control
One key operating 
Audio warning beyond pre-set limit