- Wide Measurement Range: Monitor indoor temperatures from -10°C to 60°C (32°F to 122°F) and outdoor temperatures from -40°C to 60°C (-40°F to 140°F). The device has a transmission range of up to 100 meters (328 feet) without obstacles. A current temperature trend indicator keeps you informed of fluctuations. - Temperature Alarm Feature: This wireless refrigerator thermometer includes an audible alarm that can be manually set for maximum and minimum temperature thresholds. When the temperature reaches these preset values, the alarm will sound. Note that the alarm will activate 10 minutes after being switched on, regardless of current temperature status. - Dual Sensor Capability: Equipped with two remote sensors, this thermometer can display indoor temperature alongside two outdoor temperature readings simultaneously. Monitor conditions in a variety of locations, such as your home, warehouse, or garden, without needing to step outside. - Maximum/Minimum Temperature Tracking: The maximum and minimum temperature data refreshes every 24 hours. While it does not permanently record this data, you can easily reset the readings by pressing the clear button, allowing for real-time updates. Use Scenarios: 1. Perfect for maintaining optimal temperatures in your refrigerator or freezer, ensuring food safety and freshness. 2. Ideal for monitoring temperature in greenhouses, helping you maintain the right conditions for plant growth. 3. Useful for tracking outdoor temperatures during extreme weather, assisting in preparations for cold snaps or heatwaves. This thermometer is designed for reliability and ease of use, making it an essential tool for both home and professional environments.