General description Convenient and practical refrigerator thermometer suitable for traditional refrigerators, freezers, insulated boxes, and more. Features a large dial with clear blue and red zone indications for easy temperature reading. Technical specifications Temperature range: -20 to 80°F / -30 to 30°C. Material: Stainless steel with a protective glass lens. Installation Hook-type panel design allows for hanging or placing in various positions. Usage Instant reading due to mechanical design, no battery power required. Helps ensure food is stored at the right temperature for safety.