brand new and high quality Features: This bimetal Celsius degree button thermometer is very durable with ABS for case and transparent top. It can read temperature -20C to 50C degree. It may have +/- 2 degree error. It has groove on the edge for lanyard. You can also stick it with water glue on calendar, book, camping kits, etc. Note: 1. In order to ensure accurate result, please use it in a horizontal state. 2. To avoid needle disorder, please keep a certain distance from wire and magnetic object; 3. Don'for t tap the goods, it may affect measurement accuracy; 4. Keep clean and do not use dirty cloth or hands to wipe it; 5. In order to avoid the loss of magnetic, Please ensure the goods are closed when not in use. Specifications: Material: ABS plastic, bimetal thermometer spring Type: Analog hygrometer Structure type: Radial Measuring Range: -20~50 Surface Diameter: approx. 20mm Thickness: approx.6mm Color: Black Quantity: 1 Pc Note: 1.Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Celsius thermometer (without retail package)