The Firewolf Advanced Photoelectric Smoke Detector FW-2S is a high-quality smoke detector unit manufactured by Napco. This detector is specifically designed for advanced photoelectric technology, providing reliable protection against smoke and fire hazards. The FW-2S model is easy to install and provides peace of mind for homeowners looking to enhance their fire safety measures. With its advanced features and reputable brand, the Firewolf Smoke Detector is a valuable addition to any home.