Based on this product's specifications, here are some alternatives and similar models
Presence detector Steinel DualTech DALI‑2 IPD (Steinel)
Summary description:
Presence detector Steinel DualTech DALI‑2 IPD is a wall/ceiling sensor for detecting human presence and movement using combined infrared and microwave DualTech technology. Designed for integration with DALI‑2 lighting control, it enables automatic on/off and presence-based control to save energy and improve comfort in offices, corridors, meeting rooms and public spaces.