Discover the Howler Site Alert RF SA02M Master Unit, a robust solution for securing your construction sites and ensuring peace of mind. This Site Alarm is meticulously crafted in Taiwan, reflecting the quality and innovation synonymous with the Howler brand. Its intuitive design and reliable performance make it an essential tool for safeguarding your property and deterring unwanted intruders. With its easy installation process, the SA02M unit offers versatility and control over your site's safety. Its loud, clear audio signal is designed to effectively alert personnel and wildlife, providing a dual-layered approach to security. Whether for daytime work or overnight vigils, this Master Unit stands as a steadfast guardian of your site.