FireAngel SB1R Optical Smoke Alarm Detector Toast Proof Replaceable Ba

FireAngel SB1R Optical Smoke Alarm Detector Toast Proof Replaceable Ba Description

FireAngel SB1R Optical Smoke Alarm Detector Toast Proof Replaceable Ba EARLY WARNING SMOKE DETECTOR: The optical smoke alarm makes protecting your home simple. The optical smoke sensing chamber works by 'seeing' smoke as it enters the alarm, perfect for slow burning fires with thick white smoke. Thickened and durable: 1. Thickened material: 0.23 mm, scratch resistant and wear resistant, can cover the original colour of the furniture. 2. Water based glue material, no fade, no odour, the longer the paste, the stronger the adhesion, doesn't fall off Easy to clean: PVC material, oil and water resistant, just wipe with a rag to restore a clean surface. The perfect solution to wallpaper surface cleaning problems 1 YEAR BATTERY: Each battery operated smoke alarm comes with a 1 year, replaceable 9V battery. When the smoke alarm battery is low, the device will 'chirp' and the red LED will flash once every 32 seconds. Replace the battery ASAP. Product description: 40cmX300cm(15.74x118.11inches), area: 1.2. Wallpaper is more suitable for use on a flat and smooth surface without water or dust, cleaning the surface before use and keeping it dry will enhance the life of the wallpaper