Based on this product's specifications, here are some alternatives and similar models
3D printer accessory Flashforge Auto-Leveling Sensor for Creator 4
Summary description:
Replacement auto-leveling sensor designed for Flashforge Creator 4 3D printer. Ensures automated bed leveling to improve first-layer adhesion and print accuracy. Intended for use as an OEM accessory compatible with Creator 4, it simplifies setup, reduces manual calibration and helps maintain consistent print quality across projects.