Overview SNZB-02P is an upgraded version of SNZB-02, it is a temperature and humidity sensor with low power consumption. Equipped with Zigbee 3.0 protocol, supporting various gateways, including SONOFF Zigbee 3.0 gateways like SONOFF iHost, NSPanel Pro, ZB Bridge Pro, and ZBDongle-E, Alexa with Built-in Zigbee Hub, etc. High accuracy built-in Swi-made sensor ensures accurate measurement of room temperature and humidity, the temperature is accurate up to 0.2 while the humidity is 2%RH, data is updated every 5s, and always gives you the latest changes in the environment. You can set the comfort alert, when the room temperature or humidity exceeds your set comfort range, you will receive immediate notifications on your phone, helping you maintain room comfort and ensuring life quality. Supporting cloud-based historical records, the temperature and humidity data of each day will be stored in the App. You can easily acce the temperature and humidity variations for each day, month, or every six months through real-time queries. Additionally, you can download the data to enhance your living environment based on temperature and humidity trends. SNZB-02P supports 3 mounting methods, stick with 3M Adhesive, stick with 3M Adhesive and Metal Plate, or screw mount, just place the sensor anywhere you wish such as the living room, baby room, bedroom, greenhouse, reptiles terrarium, equipment cabinet to monitor temperature and humidity remotely. High Accuracy & Fast Refresh With the Swi-made smart hygrometer sensor, the temperature is accurate up to 0.2C/0.4F while the humidity is 2%RH, data measurements are updated every 5 seconds to give you the lastest changes of temp and humidity. Zigbee 3.0 CompatibleSupports Zigbee hubs using the Zigbee 3.0 protocol, like SONOFF iHost, NSPanel Pro, ZB Bridge Pro, and ZBDongle-E. And theoretically supports adding to any Zigbee hub developed in accordance with Zigbee 3.0 protocols, like Echo 4th Gen, SmartThings Hub V3. Comfort AlertWhen the room temperature or humidity exceeds your set comfort range, you will receive immediate notifications on your phone, helping you maintain room comfort and ensuring life quality. Data Storage & ExportUp to half-year free cloud storage, You can easily acce the temperature and humidity variations for each day, month, or every six months through real-time queries, and data can be exported. 4 Years Battery LifePowered by a CR2477 battery. The battery life data is obtained from SONOFFs internal laboratory, please refer to the actual use.