1. Material: zinc alloy
2. Alloy material, no fear of high temperature exposure, no deformation and no odor
3. Magnetic design, easy to install
4. Small and exquisite, does not take up space, does not block the front line of sight
5. Enlarged digital design, easy to recognize
6. When there is no need to display the number, slide your finger to hide the number and protect the owners privacy
7. Size: 125 x 18mm
8. Weight: about 55g