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WebSmoke Detectors. Sort By. All Filters. Compare. FirePro 9V Photoelectric Smoke Alarm - 2 Pack (57) $24.98. Add To Cart. Compare. Quell Worry Free Carbon Monoxide Smoke … Web11 apr. 2024 · Battery powered heat alarms, smoke detectors and CO detectors from HiSPEC that do not need to be connected/hard wired to the mains power. The battery powered alarms and detectors all fully comply with the new 2024 Scottish Legislation with a 5 year product guarantee and 10 year sealed lithium battery. Guarantee - 5 years. WebThe smoke detector must be set up (or installed) and used in such a way that smoke can be swiftly detected and reported. A firmly inserted 3 V lithium battery ensures that the smoke detector will function reliably and for longer. Tests as to whether the detector is functioning properly should be conducted regularly by pressing the large test ... phone key layout