1. Material: PCB+Epoxy resinic glue+hardware.
2. Attachment: LR926/CR927 battery(work life: 24 hours at least and our offer include the battery).
3. Magnet or butterfly-clutch available on the back.
4. Colorful of led: Red, Yellow, Green, Blue, Purple, Jade, Pink, White.
NOTE: Welcome OEM. Or customer's logo(design. )
Our existing style are Valentine's Day series, X'mas Series, Cartoon Series, Animal Series, Sports(ball)Series, Hallowmas Series. Flag Series. And ect.