Features: Easy Installation: This Wifi Tuya smart temperature and humidity sensor is easy to install with adhesive glue, providing a firm and durable setup without the need for complicated tools. Smart Linkage: The sensor can be linked with other smart devices in your home to improve indoor temperature and humidity, making your home more comfortable. When the weather is hot, the air conditioner will automatically turn on. You can pre-set in the APP to turn on or off the air conditioner when a certain temperature is reached. It can automatically turn on or off the air conditioner based on the temperature, and turn on or off the humidifier based on the humidity. Low Battery & Mobile Phone Reminder: The sensor will remind you to replace the battery when the battery level is low, ensuring continuous and reliable operation. The sensor can sense changes in temperature and humidity in real time and report them to your smartphone, keeping you informed at all times. APP Smart Control: With the APP, you can view real-time temperature and humidity. When the temperature and humidity are lower than the set value, the corresponding home appliances can be turned on to adjust the temperature and humidity to a suitable state. Device Sharing: You can share this product with your family members for shared convenience. It supports control of multiple devices by one phone or one device by multiple phones. Specifications: APP: Tuya Battery: 1.5V/2 * AAA battery (this product does not include) Wireless Type: WiFi (2.4GHz)&Ble/Zigbee Wi Fi Protocol: 2.4GHz Wi Fi Standard: IEEE 802.11 b/g/n Temperature Measure Range: -20 º C-60 º C Temperature Accuracy: +1 º C Humidity Measure Range: 0% RH~100% RH Humidity Accuracy: +5% RH Working Humidity: Max 95% RH Static Current: 42.7UA Alarm Current: 99MA Low Power and Low Voltage: <2.2V Quantity: 1 Pack, 3 Pack (optional) Size: 7 * 2.5 * 2cm/2.8 * 1 * 0.8inch Note: Due to the different display screen and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Packing List: 1 x Temperature Humidity Sensor 1 x Instructions 1 x Screw pack 1 x Self adhesive 1 x Pin