Mcrine Alcohol Tester, Professional Semi-conductor Sensor Portable Breathalyzer Kit, Large LCD Digital Display Police Alcohol Breathalyzer Keychain with 5 Mouthpieces

Portable
simple and conveniently design for analysis Blood Alcohol Concentration at anytime and anywhere. Smaller than an iPhone 7 and comes with keychain which made of stainless steel. It's easy to carry with you and test yourself or your friends.

Backlit LCD Display
Orange backlit makes viewing results at night much easier, whether you are indoor or outdoor and indicate how inebriated you are.

Audible Alarm
The Danger symbol is displayed on LCD screen with beep audible alert if alcohol concentration is over & equal 0.05% BAC or 0.5g/l. The continuous drop sound is emitted to remind the user that you are drunk.

Power Saving
Powered by 2 x AAA batteries and it will automatically power-off after 15 seconds. You can test more than 300 times every time you install a battery. Low power instructions are designed to save power.

Specifications
Sensor : advanced semi-conductor oxide alcohol sensor
Range : 0.00% ~ 0.19% BAC(0.0 ~ 0.19g/l)
Accuracy : -0.01% ~ +0.02% at 0.05% BAC
Power input : 2 x 1.5V AAA alkaline battery
Opreating time - warm up : 10s; response : <5s
Auto power-off : 1 minute approximately
Working temperature : 5℃~40℃

Packing Contents
1 x Breathalyzer Alcohol Tester with Keychian
5 x Mouthpieces
1 x User Manual