• Digital thermometer suitable for refrigerator and freezer with measuring range from -20 °C to 50 °C • Easy-to-read LCD display with clear visualization of the current temperature • Maximum and minimum temperature recording function for better preservation control • Waterproof design with IPX3 protection for safe use in humid environments • Made of ABS and stainless steel for greater strength and durability • Can be placed on a shelf or hung by a hook according to use needs • Works with 1 CR2032 3V battery and allows switching between °C and °F • Suitable for home, restaurants, professional kitchens, and cold storage rooms