Based on this product's specifications, here are some alternatives and similar models
Karlik DCR-1 Electronic Motion Detector
Summary description:
The Karlik DCR-1 is an electronic motion detector designed for automated lighting control and security applications. This device reliably detects movement within its range to trigger connected electrical circuits. It is suitable for residential and commercial interiors, offering efficient energy management and enhanced convenience. The unit features a clean design that integrates seamlessly with standard electrical installations.