The AllPoints Foodservice Parts & Supplies 621189 Refrigerator/Freezer Thermometer is designed for precise temperature monitoring in both refrigeration and freezing environments. Measuring 5/8" x 4-5/8", it features a temperature range of -40° to 120° F, ensuring accurate readings for various applications. The thermometer includes a versatile top and bottom mounting bracket, allowing for easy installation and rotation for optimal visibility. It utilizes a non-toxic solution, making it safe for foodservice use, and is NSF certified for quality assurance.