Description: brand new, high quality Feature: These tiny thermometers have a temperature range of -20~50 which is basically a human habitation, so when you have any questions about its temperature, it should prove very useful and you are alive. Their small size allows them to be used in a variety of scenarios, leaving one outside the window sill to check the temperature Its edges have grooves for lanyards. You can also apply glue to your calendar, books, camping kits, etc. Note: 1. To ensure accurate results, please use it in a horizontal state. 2. To avoid needle disorder, keep a certain distance from the wires and magnetic objects; 3. Do not tap the goods, otherwise it may affect the measurement accuracy; 4. Keep it clean, do not wipe it with a dirty cloth or hand; 5. To avoid magnetic losses, please ensure that the goods are closed when not in use. 6. Due to manual measurement, please allow an error of 1-3cm. Please make sure you don'for t mind before bidding. 7. Due to the difference between different displays, the picture may not reflect the actual color of the item. Thank you! ! ! Product specifications: Material: ABS plastic, bimetal thermometer spring Measuring range: 20~50 Surface diameter: approx. 27 mm (1.1 in) Colour: Black Package included : 1 x Thermometer