WiFi Thermometer Hygrometer, App Alert, Gateway Required, 1 Sensor

About this item

• REAL-TIME TEMPERATURE & HUMIDITY MONITOR – Track temperature and humidity from anywhere with instant app alerts when readings cross your custom threshold, with data updates every 2 min when stable and every 10 seconds during rapid changes. Ideal as a refrigerator thermometer, freezer alarm, or remote temperature monitor for any home space.
• 650ft(200m) LONG RANGE WIRELESS THERMOMETER – GOES WHERE BLUETOOTH CAN'T – This long-range temperature sensor uses 433MHz RF to maintain a reliable connection through walls, floors, and refrigerator doors, with a range of up to 650ft(200m) in open areas. Actual range varies depending on surrounding interference.
• WIFI GATEWAY REQUIRED – NOT INCLUDED IN THIS PACK – Sensor only. A compatible Coiliiot gateway is required to connect the sensor to the app; the sensor cannot work alone. Already have a gateway? Add this sensor to monitor a WiFi freezer temperature monitor, room thermometer, or humidity sensor from one free iOS or Android app. No subscription.
• MONITORS TEMPERATURE & HUMIDITY IN MORE SPACES – Use as a fridge thermometer, wifi freezer thermometer, fridge temperature monitor or wifi temperature sensor for greenhouses, wine cellars, cigar humidors, basements, garages, pet rooms, attics, cold storage, and server rooms. All in one free app.
• ±0.3°C ACCURACY, 12-MONTH BATTERY – Smart WiFi temperature sensor built with a Swiss-made sensor for ±0.3°C temperature and ±3.5% RH humidity accuracy. A single CR2450 battery lasts more than 12 months. Battery life may drop in extreme cold environments.