alsen, a smart breathalyzer for iOS and Android smartphones

check your sobriety before driving

75,00 €

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alsen by semvice

Alsen is a battery-free breathalyzer developed by the Estonian company Semviсe.

It will help you check the level of alcohol in your body in a quick and easy manner – all readings will be displayed on the screen of your smartphone in a few seconds.

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alsen black

Compact design, stylish design read more

Usage time: up to 600 tests Measurement range: 0–04‰Accuracy: 0.1‰
Dimensions: 32х25х8 mm
Weight: 10 g
Platform: iOS and Android

alsen white

Usage time: up to 600 tests Measurement range: 0–04‰Accuracy: 0.1‰
Dimensions: 32х25х8 mm
Weight: 10 g
Platform: iOS and Android

coming soon

Elegant in every detail

The breathalyzer with its modern and stylish design is a perfect match for iOS and Android smartphones.

Authorized by Metrosert®

Alsen has been authorized by the largest national organization in Estonia, which certifies measurement systems.

It doesn’t take up a lot of space

The compact device will fit into your car glovebox, clutch bag or even the smallest jeans pocket.

Always ready for use

You do not have to regularly charge Alsen or replace the batteries in it — the breathalyzer is powered by your smartphone.

Intelligent control

The gadget connected to your smartphone operates via the Alsen App — the test results are displayed in the form of a flow chart.

alsen app

The gadget connected to your smartphone operates via the Alsen App — upon testing, all the necessary information is displayed on the screen in the form of a readily understandable flow chart.

A few seconds after the measurement, the following information will be displayed on your smartphone screen will display: