Philonext Exchangeable Battery Alarm Detector with Loud Alarm, Intelligent Auto-Check Detector for Home

Key features

• 【More Sensitive & Intelligent】Photoelectric alarms are generally more effective at detecting , slow smoldering fires and using the latest sensor technology, this detector responds more quickly to hazardous smoke than conventional while at the same time reducing false alarms.
• 【Replaceable Battery & Self-Check】 alarm power supply by two-AAA batteries and If it malfunctions, or if the battery is low, you will be notified immediately so that you can identify and replaceable battery quickly.(NOT INCLUDE AAA battery)
• 【Easy-Test / Silence Button】Large test/silence button enables you to test the alarm weekly, and to easily silence the alarm when false alarms occur; malfunction and low battery warnings allow you to easily know the working status of the alarm.
• 【Extremely Loud Alarm】 manifold self-inspection parameters with clear notifications. giving you extra time
• 【Easy Installation & Reliable】 can be unobtrusively installed anywhere; effortlessly mount it onto any wall or ceiling using the included screws