Multi-functional & Reliable - The fridge thermometer offers high and low-temperature alarm settings, memory storage for maximum and minimum temperatures, and °F/°C conversion. Its waterproof outdoor sensor ensures it works reliably in different environments, making it ideal for both home and commercial use. | Indoor & Outdoor Versatility - Equipped with a large, clear digital display, this freezer thermometer allows you to monitor indoor and outdoor temperatures with ease. Ensure your food stays at safe temperatures and test your freezer's performance effortlessly with this versatile device. | Temperature Alarm Alerts - With a simple 2-second press of the alarm mode button, this digital refrigerator thermometer enters alarm settings mode. You can customize the highest and lowest temperature range, and an alert will trigger once it exceeds the set limits, keeping your food safe. | Flexible Installation - The alarm thermometer offers various installation options. You can place it on a tabletop, attach it to the freezer surface using the magnetic back, or stick it to any surface with Velcro. This flexibility allows for easy setup and positioning in any space. | Easy to Use - Using the in-outdoor thermometer is simple. Press the MAX/MIN button once to display the highest temperature recorded, and again to show the lowest. The thermometer stores both high and low temperature readings, offering quick access to essential data.