LED flat keychain

It is very light and small, and easy to be carried together with you keys.
It is great idea for gift and daily use.
1pc LED, optional color:White, blue, green, RGB (full color changing) or UV light for detecting the fluorescent symbol in bank note.
Plastic body in black, blue, green, purple color.
2pcs 3.0V CR2016 batteries
On/off:Slide switch or pushbutton switch.
Size:Length 60mm * width 24mm * height 7mm
Weight:13g