Zhaga and the DALI Alliance add sensors and controllers to Zhaga-D4i certification Zhaga and the DALI Alliance add sensors and controllers to Zhaga-D4i certification The product ecosystem for road lighting that can be Zhaga-D4i certified now includes DALI-based sensors and controllers with Zhaga connectors, as well as luminaires. PISCATAWAY, N.J., Dec. 17, 2020 — The joint Zhaga-D4i certification program from the DALI Alliance and the Zhaga Consortium has already qualified a number of Zhaga-D4i Book 18 outdoor luminaires with Zhaga receptacles and D4i components. Now, certified D4i control devices with Zhaga connectors can also be submitted for Zhaga-D4i certification. Eligible devices include light-level or occupancy sensors, as well as control nodes that can communicate wirelessly with external networks.