Based on this product's specifications, here are some alternatives and similar models
Mounting Plate for SafeMi SHA-01 smoke and carbon monoxide detectors, Safemed
Summary description:
Safemed mounting plate designed for SafeMi SHA-01 smoke and carbon monoxide detectors. The plate provides a stable base for installing the detector to walls or ceilings, ensuring correct alignment and secure attachment. Suitable for residential and commercial use where SafeMi SHA-01 detectors are deployed, simplifies installation and replacement of units.