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💁 Easy To Install: This smoke sensor can be easily installed on any wall or ceiling without rewiring, which is very convenient. 💁 High Sensitivity: This Tuya wifi smoke alarm 360° all-round high-sensitivity monitoring enables the alarm to quickly detect dangerous smoke levels in slow-burning, smoldering fires; providing the earliest possible fire alarm while maximizing Reduce false positives. 💁 Mobile APP Control: Help Tuya App, you can receive App reminders and check the detector power. Even if you're not at home, you know what's wrong. The detector will self-test from time to time. You can observe smoke alarms in the mobile graffiti app. 💁 Low Power Consumption: This smoke detector is designed with low voltage and fault prompt functions, it will issue a warning when the power consumption is low, and it has a self-check function. (Batteries not included) 💁 Wide Range Of Uses: This smart APP-controlled smoke detector is suitable for fire prevention in homes, warehouses, hotels, factories and other places, and is an excellent safety guarantee for you.