Optical smoke detector LM-107A alerts you to smoke spreading in the room with a loud signal. This battery-powered standalone smoke detector uses an optical sensor that detects light scattering caused by smoke particles, allowing it to trigger an alarm already in the early stages of a fire. MAIN FEATURES: Sound level: ≥85 dB at 3 meters Operating temperature: -10℃ ~ 40℃ Maximum humidity: ≤95% Smoke detector lifespan: 10 years STANDARDS: EN 14604:2005/AC:2008 – the general standard for standalone smoke detectors intended for use in residential buildings. Note: Before installing and using the product, please read the user manual supplied with the device thoroughly!
