Fireangel FireAngel Optical Smoke Alarm with 10 Year Sealed For Life Battery, FA6620-R-T2 (ST-622 / ST-620 replacement, new gen) - Twin Pack, White & FA6215-INT Heat Detector, White

Product 1: The perfect replacement for FireAngel ST-622, ST-620 and ST-750 models, these alarms will fit on to the existing baseplates, or can be installed easily using the supplied bases and 2 screws

Product 1: With optical sensing technology smoke is rapidly detected as it enters the alarm chamber, for a quick reaction to slow burning fires

Product 1: The alarms come with sealed, tamper proof batteries that will last the lifetime of the alarms. It is recommended that smoke alarms are replaced every 10 years

Product 1: Featuring a quiet test function which means you're less likely to wake up loved ones or disturb the neighbours when testing your alarms

Product 2: The heat detector has been developed for areas with high levels of dust, smoke or water vapour, such as kitchens, garages and attics, as smoke detectors tend to cause unwanted deception alarms. Thermistor technology ensures that you are alerted in the event of fires without faulty reactions

Product 2: The bar test function ensures that you do not wake up your loved ones or disturb the neighbours when testing the smoke detector

Product 2: International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.