1. Size: 41 x 23.5 x 8.5mm

2. Material: plastic body

3. Batter:1pcs CR2032 battery for white light ,   2pcs CR2016 batteries for white light;  (included)

4. Net weight: 6g/pc;

5. LED Light:single red/blue/white/green etc;

6. Color of plastic: black, transparent, red or customed

7. Logo: customed logo printing

8. Accessory: elastic string;

9. Switch: press button on/off

10. 3 Flashing models

    Press down the light once for the slow flash mode

    Press down again for the fast flash mode

    Press down a third time for the continuous lighting;

    Simply press down a fourth time to turn the light off;
Function:attach it with you keys,bikes,backpacks or collars,it's a personal safety light and keep you safe when walking at night;