Based on this product's specifications, here are some alternatives and similar models
Photoelectrical reflection detector Ajax FireProtect Jeweller Wireless Black
Summary description:
The Ajax FireProtect Jeweller is a wireless photoelectrical reflection detector designed for fire safety. It operates on a 3V battery and features a sleek black design. With dimensions of 132mm x 132mm x 31mm, it is compact and easy to install. The device is CE certified, ensuring compliance with safety standards.