Key benefits External probe for flexible placement and precise temperature measurement in the area that matters. WiFi connected for realtime monitoring of temperature. USB power supply with a built in 500MA battery; ensures uninterrupted function during power outages. Large 9 inch LCD display provides clear visibility of temperature, humidity, brightness, time, and date at a glance. Core specifications and features WiFi temperature sensor with an external probe for accurate measurement in the desired location. Alarm for proactive monitoring. USB powered with a built in 500MA battery to maintain operation during power interruptions. Clear 9 inch LCD display showing temperature, humidity, brightness, time, and date. 23 practical use scenarios Home medicine cabinet or refrigerated storage: keep critical items within safe temperature ranges and get instant alerts if conditions drift outside the set limits. Greenhouse or indoor garden: monitor ambient temperature, humidity, and brightness; place the external probe where plant roots or microclimates need closer monitoring. Small office, server closet, or workshop: track environmental conditions around equipment or sensitive devices and receive alerts to prevent performance or safety issues.