Advanced Connectivity: Utilizes Zigbee protocol for reliable and efficient real-time data transmission to your smart .Accurate Weather Tracking: Measures temperature and humidity with high precision, ensuring you're always aware of your outdoor environment.Energy Efficient: Designed for with extended battery life, reducing the need for frequent replacements.Compact and : Small size allows for discreet placement outdoors, built to withstand various weather conditions.Colour:WhiteMaterial:ABSBattery type:cR2032Temperature detection range:10°C-+55°CHumidity detection range:0%-95%RHTemperature detection accuracy:±0.5°CHumidity detection accuracy:±3%Wireless protocol:Zigbee 3.0Need to be used with ZigBee gatewayDue to different batches, there may be differences in product appearance and printed text, which not affect usePackage Contents:2 x SensorOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.