Refrigerator and freezer thermometer with hook type design for versatile placement and easy monitoring. Key benefits Convenient and practical: Suitable for traditional refrigerators, freezers, and insulated boxes. Large color coded display with blue, green, and white zones clearly indicating the temperature, making it easy to read at a glance. Broad temperature range: Measures refrigerator temperatures from 30 to 20 C, covering different storage needs. The clear reading scale helps you determine if stored food is kept at safe temperatures. Battery operation: Hook type allows hanging or placing in different positions. Reads with a mechanical dial and does not require battery power, suitable for use in freezers and fridges. Durable and clear: Made from ABS plastic, resistant to impact; features a protective lens for long lasting use in refrigerator and freezer environments. Specifications and features Temperature range: 30 to 20 C Display: Large color coded zones (blue, green, white) for easy temperature reading Mounting: Hook type for hanging or placement in multiple positions Reading mechanism: Mechanical dial, battery Material: ABS plastic with protective lens Application: Suitable for traditional refrigerators, freezers, and insulated boxes Usage scenarios Home kitchen refrigerator: Place or hang inside the fridge to monitor both frozen and fresh food storage temperatures. Freezer and cold storage boxes: Use in the freezer or insulated delivery boxes to ensure temperatures stay within safe ranges during storage or transport. Small offices, dorm rooms, or camping setups: Ideal for battery temperature monitoring in compact or portable refrigeration units where power availability is limited. Material and durability ABS plastic construction offers durability and impact resistance. Protective lens helps shield the display from condensation and accidental impacts. Designed for long service life in both refrigerator and freezer environments.