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WiFi Humidity Temperature Sensor Digital Hygrometer Thermometer with 2.9 Inch LCD Screen APP Monitoring Alarm External Probe for Indoor Refrigerator Cold Storage

[Smart Alarm System] Equipped with a built in speaker and customizable upper and lower limit settings this sensor will immediately alert you with an alarm when conditions exceed your preset thresholds. ideal for maintaining optimal conditions in any space. [High Accuracy Monitoring] Built with a high precision digital temperature and humidity sensor this wifi enabled device captures even the slightest changes as small as 0.1°c ensuring you get the most accurate readings for your environment. for sensitive areas like cold storage and refrigerators. [Versatile Application] Whether you need to monitor indoor environments cold storage or even your refrigerator this sensor has you covered. it also supports an external probe (sold separately) for detecting ice temperatures and other specific needs. [Large Lcd Display] The 2.9 inch lcd screen clearly displays five essential data points temperature humidity brightness time and date making it easy to read at a glance. no more squinting to see small numbers this screen is designed for clarity and convenience. [Real Time Remote Monitoring] Stay connected with the dedicated app that allows you to monitor temperature and humidity levels in real time from anywhere. never worry about unexpected changes again with constant updates at your fingertips.