Based on this product's specifications, here are some alternatives and similar models
FF DRL-60-230 Laser distance/stair motion sensor 230V for ø60 flush box, black
Summary description:
FF DRL-60-230 is a 230V laser distance sensor designed as a stair/motion sensor for installation in a ø60 flush box. Finished in black, it uses laser distance detection to trigger lighting or alarm circuits when motion or presence is detected on stairs and passageways. Suitable for residential and commercial interior mounting where precise short-range detection and compact flush installation are required.