Based on this product's specifications, here are some alternatives and similar models
Zamel MCR-08 Miniature PIR Motion Sensor 800W with External IP65 Probe
Summary description:
The Zamel MCR-08 is a miniature PIR motion sensor designed for automatic lighting control with a maximum load of 800W. It features a compact design with an external probe rated at IP65, ensuring protection against dust and moisture. This sensor offers a detection angle of 120/360 degrees, making it ideal for precise movement detection in various indoor and outdoor installations where space is limited.