Place a box on the crane or mast to control up to 20 luminaires per unit. Stable system that does not rely on a gateway or internet connection. Built-in Plejd. The product includes integrated CTR-01 and BAT-01, products owned by Plejd*. This unit contains a product from Plejd AB. El-Björn assumes full responsibility for the product’s compatibility as well as for any claims or demands related to the product’s performance or functionality. *The trademark is owned by Plejd AB.