Weatherproof Temperature and Humidity Sensor 3-Pack, Hub Required

    INTRODUCTION:  Smart, indoor/outdoor, thermometer and hygrometer monitors, records, and reports to the YoLink app the current temperature and humidity level   FEATURES:  Designed for outdoor use, suitable for indoor use Portable; may be placed anywhere in your home or wall-mounted Temperature and humidity displayed on the YoLink app Designed with home and light commercial applications in mind, precision components are utilized, to provide the accuracy you demand. Temperature accuracy of  ±0.54° F and humidity accuracy of ±3% RH Extended operating range of -22° to 158° Self-calibration available via the YoLink app High-temperature/low-temperature alerts Historical temperature and humidity graphs displayed in hourly and daily figures Wireless operation; no 120V outlet or wiring required Battery-powered (two Lithium AAA batteries, included) 2 or more years of battery life, compared to 1 year for other brands IFTTT & Alexa Integration: trigger IFTTT applets based on high