Not a stand-alone device.
The GHL Doser 2.2 Maxi needs to be controlled via a ProfiLux Controller or a GHL Doser 2.x (Maxi/Standard) Stand Alone.

Its 24 V stepper motors allow precise dosing. The connection can be made via WiFi or USB.

The system is expandable to a total of 16 pumps. The ProfiLux Aquatic Bus provides reliable and interference-free data transfer, even over long distances up to 100 m (300 ft.).

Technical specifications:

Color: Black or white
Dimensions: 220 x 150 x 103 mm (without pumps)