Product introduction: 1. Name: LED round luminous pendant. 2. Product size: mm 3. Color options: white, red (can be customized according to customer requirements) 4. Battery: One CR2032 battery can be used continuously for 30 hours 5. Packing size: 7*7*9CM 6. Outer box packing information: 12/1 box 7. Product weight: 17.6g/piece 8. Luminous mode: long light-slow flash-fast flash 9. Instructions for use: the first time you press it, it will be in a long light state, two times for a slow flash source, and three times for a fast flash source Press the fourth time to turn off. 10. Scope of application: pet dog/cat/animal accessories, keychain accessories, bicycle accessories, interior accessories, etc.

Product introduction: 1. Name: LED round luminous pendant. 2. Product size: 21*32*53mm 3. Color options: white, red (can be customized according to customer requirements) 4. Battery: One CR2032 battery can be used continuously for 30 hours 5. Packing size: 7*7*9CM 6. Outer box packing information: 12/1 box 7. Product weight: 17.6g/piece 8. Luminous mode: long light-slow flash-fast flash 9. Instructions for use: the first time you press it, it will be in a long light state, two times for a slow flash source, and three times for a fast flash source Press the fourth time to turn off. 10. Scope of application: pet dog/cat/animal accessories, keychain accessories, bicycle accessories, interior accessories, etc.