The Tuya Zigbee Wifi Smoke Detector is a reliable and high-quality product from Shenzhen Xindaxing Electronic Technology Co., Ltd., a leading manufacturer and supplier of smart home devices in China. With their state-of-the-art factory and years of experience in the industry, you can trust that this smoke detector is made with top-notch quality and precision. The product is designed to detect smoke and alert you in case of a fire, providing the utmost safety and security for you and your family. With its Zigbee and Wifi connectivity, you can easily control and monitor the device from anywhere through your smartphone or smart home system. This smoke detector is battery-operated and easy to install, making it a hassle-free addition to any home or building. It also has a low battery indicator and a test button, ensuring that it is always functioning properly. Overall, the Tuya Zigbee Wifi Smoke Detector is an excellent addition to any smart home or building, and Shenzhen Xindaxing Electronic Technology Co., Ltd. is the perfect choice for a reliable and trusted supplier of smart home devices.