Product description Style:Fahrenheit Specification: Temperature Range: -58℉ to +158℉ Usage temperature: -14℉ to +122℉ Temperature Accuracy: ±2℉ Distinguishing temperature: 0.2℉ Operation Voltage: 1.5V Sampling Period: 2 S Unit dimensions: 48.5 x 28 x 15.2 mm LCD Dimension: 46.5*27mm Cable length: 1M(3.3 Feet) Power: 2 x LR44 button cell batteries (included) Weight: 15g Each Mini Digital Thermometer Refrigerator Freezer Digital Thermometer makes it ideal for any situations where you need an accurate reading and the easy-to-read screen displays the temperature of the environment in Fahrenheit. Digital Refrigerator Thermometer Hygrometer features ultra small and lightweight unit. Powered by two LR44 button batteries (Included). Package Including 4pcs x Digital LCD Fahrenheit Thermometer with 1M Cable