This product is sold directly from Hubitools.
Use the promo code Diagnosedan20 to claim your 20% discount at the payment page.

To check:
Coolant : from 0 to -50°C
Battery : from 1.1 to 1.4Kg/L
Windscreen cleaner : from 0 to -40°C
AD Blue separated scale from 30 to 35%
Plastic model (HU404) and metal model (HU414)