Based on this product's specifications, here are some alternatives and similar models
Optical Tamper Detector SATEL SPL-TO — SATEL optical sabotage/tamper sensor SPL-TO
Summary description:
SATEL SPL-TO is an optical tamper (sabotage) detector designed to detect interference with security devices and enclosures. As an optical sensor from SATEL, SPL-TO monitors attempts to open, move or manipulate protected equipment and triggers an alarm signal to the control system. It is used in alarm and access-control installations to protect cabinets, sensors and control panels.