Home Smoke Detector Sensor For Fire Safety - Smart Alarm For Home/warehouse. Introducing the Independent Smoke Detector Sensor for Home and Warehouse Security. This Smart Smoke Fire Alarm is Designed to Provide Reliable Protection, Effectively Detecting Smoke and Alerting You to Potential Fire Hazards. It Operates Independently, Ensuring Continuous Surveillance for Your Peace of Mind. Key Features: - Type: Smoke Detector - Certifications: CE, RoHS, UL - Connectivity: Standalone Operation; Contact Customer Service for Mobile Phone and WiFi Options - Application: Ideal for Home and Warehouse Security - Chemical Safety: Contains No High-concern Chemicals - Model Number: 441 Ensure the Safety of Your Spaces with This Efficient and Dependable Smoke Detector..