Based on this product's specifications, here are some alternatives and similar models
Steinel Light Sensor Dual KNX V3 UP Square Brightness Sensor
Summary description:
The Steinel Light Sensor Dual KNX V3 UP is a high-precision brightness sensor designed for flush-mounted installation in KNX building automation systems. This square-shaped sensor accurately measures ambient light levels to optimize lighting control and energy efficiency in indoor environments. It provides reliable data for automated light management, ensuring comfort and sustainability in commercial or residential buildings.