X-Sense Wi-Fi Hygrometer Indoor Humidity, Smart Hygrometer Thermometer with Remote Monitoring & App Control, Wi-Fi Temperature Sensor for Room Temperature Monitoring, Humidor, Greenhouse, Model STH54

"Remote and Multi-Space Temperature & Humidity Monitoring: Simply add to the X-Sense app via a 2.4 GHz Wi-Fi network (incompatible with 5.0 GHz); access real-time data from anywhere, anytime; the included SBS50 base station supports up to 10 sensors, expanding your home coverage indoors and outdoors Highly Accurate: Swiss-made high-precision sensor; temperature accurate to ±0.36°F (±0.2°C) with a -4-140°F (-20-60°C) range, while humidity is ±2% RH with a 0-100% RH range; using this in a refrigerator or freezer is not recommended, as the metal casing can block wireless signals, leading to reduced communication range Timely App Notification: If the temperature and humidity exceed that range you preset, you will receive an immediate notification, so you can quickly react to any sudden changes in the cigar humidor, greenhouse, or any other location, even if you are away Free Data Storage and Export: Monitor temperature and humidity in real-time 24/7; you can view the data anytime, and easily store and export the past year's data as CSV for free Compact Design: With dimensions of 1.4 × 0.9 × 3.7 in, this device allows you to place it anywhere or hang it using its lanyard; perfect for electric humidors, reptile vivariums, and other small spaces Covers Entire Home: Open-air transmission range to 1,700 ft (500 m) ensures a stable signal, providing timely data updates; perfect for monitoring large units or multi-level homes Works with Alexa: Control the room thermometer indoor via Alexa commands, such as asking, "Alexa, what's the humidity of the wine cabinet now?"