TP-Link TAPO T315 Smart Temperature and Humidity Monitor SPEC: 868 MHz, battery powered(2*AAA), 2.7 inch E-ink display, temperature range and accuracy: 0℃~50℃, ±0.3℃，humidity range and accuracy: 0~99%RH, ±3%RH Feature: Tapo smart app, Battery Included

Real-Time & Accurate Monitoring- Detects real-time temperature and humidity with great accuracy. (Measurement Accuracy: ±0.54 ºF, ±3% RH).2.7″ E-ink Display- Indicates temperature & humidity, comfort level with facial expressions, battery condition, and signal.Home Automation- Automatically turn on/off home electronics (e.g. heater, fan, humidifier and more)to maximize conform and save energy.Instant App Notification- Receive app alert notification when conditions fall outside preset range.Free Data Storage & Visual Graphs- Record temperature and humidity data and generate periodic data summary.Flexible Installation- Just place it on the desk or mount it on the wall.Hub Required -The Tapo Hub is requried to support smart features, like remote monitoring, home automation, data export and more.*Note:This deviceoperates exclusively within the specifiedSub-1G band. Please note that different regions support different frequency bands. Ensure that the devices or hubs you intend to use are compatible with the sameSub-1G band.