Solid synthetic glass bulb is crashproof and no harm to human
Can be used as a keychain or you can hang it on your bag as a decoration
Buld diameter: 3cm/1.18″ , length: 5.7cm/2.24″
Can light 3-4 hours continuously
Look at this key chain,it must be take your attention. This bulb keychain only use three batteries and a LED. In night, it will falsh mysterious, just a very cool gift