The DSC PG9936 Wireless Smoke And Heat Detector is a reliable and high-quality alarm system component designed for commercial and industrial establishments. Manufactured by the reputable brand DSC in the United States, this smoke detector is known for its durability and effectiveness in detecting smoke and heat, ensuring the safety of buildings and occupants. With its wireless technology and advanced features, the DSC PG9936 is a great addition to any alarm system setup for enhanced security and peace of mind.