110V 220V Wired Smoke Alarm with No Nc Relay Output

110V 220V Wired Smoke Alarm with No Nc Relay Output. High Sensitivity Detection: Detects smoke at 2.06%/ft using photoelectric infrared technology for accurate alarm triggering. Wide Voltage Compatibility: Supports AC 110V/220V and DC 9-35V/48V inputs for versatile power supply options. Anti-Interference Design: Features stainless steel shield, dustproof, mothproof, and anti-light interference construction. Relay Output Function: Provides NO/NC relay output and LED indicator for seamless integration with fire alarm panels. Multi-Certification Compliance: Certified by CE, ISO, RoHS, CCC, GB4715, EN54-7, and UL268 standards. Low False Alarm Rate: MCU processing and pulse signal circuit eliminate interference and reduce false alarms. Versatile Application Scope: Suitable for homes, hotels, offices, schools, and warehouses with detection area up to 80 sqm. Compact Physical Design: Dimensions are 104mm diameter by 49mm deep, suitable for ceiling mounting.