Standalone varios S8, S80 (including club versions), S10 and S100 all come with the necessary hardware as standard to be able to display an artificial horizon on the instrument. To enable its use, it requires activation by a software code.
If you wish to add AHRS functionality to your vario, then this is the product you need to purchase. When purchasing, please provide the serial number of the unit. We will email you the AHRS code.