So, after 18 months of use Tacho I push further experience with the device after:
The speedometer still works perfectly although I day in, day out as winter summer'm him go.
Only with very heavy rain, or cold (> 10 ° C), it happens every now and then that surrounded the language or
the speedometer his views changed very slowly. Maybe even freeze but since the display easy one.
This speedometer so I would buy me back.