Precise and Reliable Monitoring with 2 Sensor: Keep a close watch on your refrigerator and freezer temperatures with this digital thermometer. Equipped with two wireless sensors, it provides accurate and real-time readings, ensuring your food stays fresh and safe. It's a must-have for home, restaurants, and cellars.

Clear LCD Display with Backlight: The large, easy-to-read 3.7in LCD screen with backlight ensures you can easily monitor temperatures, even in dimly lit environments. The backlit display will automatically turns off after 10 seconds to save energy. Perfect for kitchen, basement, or restaurant settings where quick access is essential.

Max/Min Temperature Records: Track temperature fluctuations 24-Hours(default) or All Time with the Max/Min records. Press the "CLE" button to toggle between the 24-Hours or All Time. Alternatively, you can change the temperature unit using the "℃/℉" button. This function helps you maintain consistent conditions, whether for perishable goods or delicate wines.

Customizable Alarm Function: When the temperature in your refrigerator or freezer remains outside the set range for more than 2 minutes, the refrigerator thermometer will emit a beeping sound to alert you. When the alarm is triggered, the current temperature, MAX/MIN icons, and alarm icon will all flash simultaneously, accompanied by an alarm sound that lasts for 2 minutes. It's an essential tool to prevent spoilage and ensure optimal conditions.

Easy to use: Operating this wireless temperature sensor for refrigerators and freezers is straightforward, requiring just five buttons. The base station is powered by 3 AAA batteries, while each sensor uses 2 AAA batteries (batteries not included). The main unit can be easily mounted on a wall or placed upright, and the transmitters come with hooks for effortless installation on your fridge or freezer, providing versatile setup options to fit any kitchen layout.