Optex AX-130TN is a high-performance waterproof photoelectric detector with a range of capabilities that make it an excellent choice for a variety of applications. The AX-130TN features a horizontal alignment dial for user-friendliness, adjustable beam interruption period, tamper function, and alarm memory. With its 4 selectable beam frequencies, you can customize it to your specific needs. Whether you're looking to protect your home or business, the AX-130TN is a reliable and effective solution.