This device only can work along with a Zigbee 3.0 Gateway. You need to connect wifi with a zigbee 3.0 gateway successfully before use such zigbee 3.0 T&H sensor. Turn on the device and smart speaker, they will be connected automatically. The device is also compatible with eWeLink ZigBee 3.0 Gateway Hub. If TUYA Smart is not available for the device, please connect it with the eWeLink ZigBee 3.0 Gateway Hub. APP name: Tuya Smart or Smart Life. This product needs to be used with zigbee3.0 gateway. Battery type: AAA1.5V*2. Quiescent current: ≤30uA. Low power undervoltage: ≤2.7V. Zigbee: Zigbee 3.0. Working temperature: -10℃~60℃. Working humidity: 0%~95%RH. Dimension: 70*25*21mm. Package Included: 1x Temperature and humidity Sensor, 1x Sticker, 1x User manual.