Each 1m LIFX Z Extention Strip has 8 controllable zones. Each controller can have up to 10m of LIFX strip connected, totalling 80 zones that you can control. Making a maximum of 10 Strips per PSU (Power Supply Unit). The LIFX Beam can have a maximum of 8 Beam Extensions and two Corner pieces per Controller and PSU. The LIFX Tiles are limited to 5 Tiles per PSU.