Features: 1HIGH ACCURACY: Digital refrigerator thermometer is designed with high accuracy the accuracy reaches 1/1.8 accurately measuring indoor and outdoor ambient temperatures. 2ALARM FUNCTION: Set the upper and lower temperature limits once out of range it will issue sound and visual warning to protect the safe storage of food and medicine. 3DIGITAL DISPLAY DESIGN: Large screen displays the current temperature easy to read and avoid blind guessing the temperature. 4MULTIPURPOSE: Digital freezer thermometer can be used to measure the temperature of refrigerator freezer and indoor and outdoor environment to meet various needs. 5DURABLE MATERIAL: Digital thermometer is made of premium ABS material which is durable and easy to clean ensuring long lasting use. Specification: Item Type: Digital Refrigerator ThermometerProduct Material: ABSBattery: 1 x AAA Dry Battery (Shipped Without Battery) Temperature Range: 50 to 70 58 to 158.Scope of Application: Measurement of Refrigerator Freezer Also Indoor and Outdoor Ambient Temperature.Accuracy: 1/1.8Gross Weight: 48g/1.7oz Package List: 1 x Thermometer1 x Instruction Manual3 x Accessories1 x Screws