1.℃/˚F unit conversion: Celsius and Fahrenheit display can be switched to meet daily needs. 2. Alarm function: When the temperature exceeds the set temperature value, the buzzer will sound an alarm. 3. Multiple placement methods: hanging hole design, bracket design, magnetic suction design. 4. Large and small temperature values are displayed on the same screen, so you can observe the data more intuitively. 5. Wide range of applications: suitable for household refrigerators, supermarket freezers and other fields. Temperature measurement range: -50-70℃ (-58-158℉) Accuracy: ±1℃ Body Material: ABS Battery: AAA 1.5V 7 size batteryx1(Not included) Product size: 71x65x17mm Cable length: 1.5 meters Colour:Black Material:ABS Package Contents: 1x Refrigerator electronic thermometer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.