How do I know which smoke alarm model I have?

The differences between Jalo Helsinki Smoke Alarm models.
If in doubt, there are several ways to recognise which smoke alarm model you have. Jalo Helsinki has manufactured 2 lines of different smoke alarms; 10-year battery models launched in 2017 and Original 5-year models launched in 2012. Below there are listed the differences of the models.
 
Batteries
In 10-year model there are no replaceable batteries at all, but only a fixed battery which you cannot visually see.
In the 5-year Original model, there are 3 replaceable Lithium batteries.

Colors
Both 10-year models and 5-year Original models have slightly different color designs.
 

5-year Original models (2012-2017)

5 year Kupu models come in 6 different colors and Lento has 5 color variants.

10-year models (2017-)

10 year Kupu models come in 6 different colors and Lento has 5 color variants.

 

Package

In addition, the packages are different for each model

5-year battery models (2012-2017)

Please note that also the brown carton box was used as a sales package

kupu-original-pakkaus
lento-original-pakkaus

10-year battery models (2017-)

kupu-10-pakkaus