Product Description  1. Product details  -Product name:car phone number recorder  -Dimensions: 12 x 5 x 2.8 cm  -Weight: 100g  -Color: Coffee, blue, gray  -Material: High quality ABS plastic  -Kit includes: telephone number recorder, 6-row magnetic suction cups, double-sided tape  2. Product features  -A car phone number recorder can help you leave your phone number in the car, which can be used when you need to park in unfamiliar areas, thereby obstructing others. Hang a phone number on the car and let others contact you to avoid causing trouble for both parties.  -The phone number recorder uses magnetic suction cups to easily change phone numbers when needed  -Easy to open and close phone number recorder with button design for opening and closing, elegant and polite design  -Compact phone number recorder body that won't block your driving line of sight