TP-Link Tapo T310 Temperature Humidity Sensor

Smart Temperature and Humidity Sensor
SPEC: 922 MHz, Battery powered(1*CR2450), temperature range and accuracy: -20?~60?, ±0.3?,humidity range and accuracy: 0~99%RH, ±3%RH
Feature: Tapo smart app, Tapo IoT hub required, smart action, high accuracy monitoring, alart and notification, 2s Refresh time, 2 years Date storage and export, battery included, 3M bonding tape, adhesive magnet and lanyard included