About this item:
Portable Breathalyzer with Display Rechargeable Digital Breathalyzer for Driving Prevention
LCD screen display, Easy to read
Breath alcohol concentration testing
Quick response and resume capacity
Auto power off for saving battery
Advanced semiconductor(flat-surfaced) alcohol sensor

Product description：
Power adapter requirements: DC5V 1A
Test range: 0.00-0.19%BAC(0-1.9g/l)
Warm-up time: 10 seconds
Blowing time: within 10 seconds, more than 4 seconds required
Response time: less than 5 seconds
Working current: 250MA (max)
Standby current: less than 20UA
Colour:As shown
Material:plastic

Package Contents:
1 x Electronic Breathalyser
1 x USB cable
Only the above package content, other products are not included.