This wireless A1R heat detector from EMS is a must-have for any business or industrial facility that requires reliable fire protection. With its advanced features and easy-to-use design, you can rest assured that your property will be safe at all times. The FCX-175-001 model is perfect for use in a variety of settings, including offices, warehouses, and factories. It is manufactured by the trusted brand EMS, which is known for its high-quality fire protection equipment. Whether you're looking to upgrade your current system or you're starting from scratch, this heat detector is an excellent choice.