ALWAYS UPDATED - Stay up to date with what's going on at home with this WiFi fire alarm. As soon as the fire alarm goes off, you will receive a notification on the Tuya or Smartlife connected app, so you can act immediately. 10-YEAR BATTERY LIFE - The smoke detector connected with built-in lithium battery has a service life of 10 years. This eliminates the need to replace smoke detector batteries. ULTRA SENSITIVE SENSORS - Photoelectric sensors are more effective at detecting smoke from slow-burning fires, such as materials that produce a lot of smoke. smoke (eg cigarettes, electric cables). Smoke detectors are less susceptible to false alarms caused by cooking fumes or steam. EASY INSTALLATION - The included screw set and instructions make installing the WiFi smoke detector quick and easy. safety. SAFETY IS IMPORTANT - The battery connected smoke detector, with a lifespan of 10 years, is TV, CE and EN14604 certified. It therefore meets the strictest standards and obligations of the European Union. All smoke detectors, CO detectors and combination detectors have a battery that lasts 10 years in order to you'll be protected for years without any worries. Real-time status of your smoke detector Receive notifications on your phone anytime, anywhere when smoke is detected. You can also check the status of your smoke detector at any time. App-linked Control your Wi-Fi smoke detector with the push of a button: view previous alarms and battery level, test and disable your smoke detector. All smart detectors in one place Connect your smoke detector, smoke alarm CO and your detector combined in one place in your personalized Tuya or Smartlife app.