Meross Smoke Alarm 2 Pack, Fire Alarm Smoke Detector 10-Year Battery with Large Silence Button Conforms to EN14604 Standard

High Sensitivity and Accuracy: EN14604 Standard - Meross smoke alarm is featured with an photoelectric sensor to detect smoke, more responsive to fires that begin with a long period of smoldering. You will be alert by 3 blinks synchronized with 85dB audible alarm. Keeping your family safe and prepared by installing smoke alarms in all sleeping rooms, basement, dining room, furnace room, utility room and hallways. Reassured quality and after-sales service: Sealed-in lithium power supply; No battery replacement required over the 10 year life of the fire alarm. Eliminates worry about battery removal or unauthorized deactivation of smoke detector. Provides uninterrupted 24/7 protection, even during power outage. Clear and Reliable Reminder: meross 10-year battery smoke detector has manifold self-inspection parameters (every 40s) with clear notifications. In case of malfunction or at low battery level, you will be notified immediately. The gas sensor has 3 warning modes: buzzer error alert, sensor error alert, low battery alert. Wide Range of Applications: The indicator will dim automatically along with the environment. The smoke alarm will dim to keep you a good sleep at night. Hush - Will temporarily silence nuisance alarms. The alarm is suitable for bedroom and mobile home. Easy Installation: The battery operated smoke detector takes advantage of simple, stable, and wireless installation with the provided screws, or quick and easy installation via Ø70 mm magnetic adhesive pads (not included). Fire alarm for home safety automatically activates when attached to the mounting bracket.Before installation, please make sure the button on the back is in the ON position., Manufacturer: meross