X-Sense is your smart sentinel against fires, always on the lookout for your home. Powered by 2.4 GHz Wi-Fi, it sends instant alarm and low battery notifications directly to your smartphone. The photoelectric sensor responds to smoke in 3 seconds and the Protect+ Premium option calls emergency services instantly. It has a lifespan of 10 years, so you can sleep well without constantly replacing batteries. The device can be connected to up to 12 accounts for shared access to keep the entire family up to date. No wires, no base stations - just reliable protection you can rely on