This 2 pack of Resideo Wave2F indoor electric sirens is a top-of-the-line solution for your alarm system needs. With a brand name you can trust and a model that is proven to be effective, these sirens are sure to provide the protection you need. Each unit quantity includes two sirens, ensuring that you have enough to cover your entire property. Ideal for use in businesses, industrial settings, and facilities that require high-quality safety measures, these sirens are a must-have. The Resideo Wave2F model is designed to be easy to install and operate, with a user-friendly interface that allows you to customize your alarm settings as needed. Whether you're looking to protect your property or your business, these sirens are the perfect choice.