AC 220V With 9V Backup Battery (SD-425S) Standalone Smoke Detector

The SD-425S Standalone Smoke Detector is designed for dual power sources, operating on AC 220V with a 9V backup battery for reliable performance even during power outages. It features an energy-efficient design with a standby current of less than 7μA in DC mode and less than 30mA in AC mode. The alarm triggers a sound exceeding 85dB(A) at 3 meters, along with a red light, providing both audible and visual smoke detection alerts. With a sensitivity range of 0.08-0.16 dB/m, the detector is highly effective in detecting smoke. It operates in a temperature range of 0℃ to +50℃, suitable for various environments. The SD-425S is compliant with EN14604:2005/AC:2008 standards and CE certified, ensuring it meets high safety standards. The compact design, with dimensions of 142mm in diameter and 40.5mm in height, makes it easy to install.