... High-Brightness LED 3.Mini Flashlight 4.Solar Powe Rechargeable Solar Powered LED Keychain Material ABS case,size: 3 ... a button,the button control the light,can printing LOGO on back Battery1pcs CR2032 Rechargeable batteryled color/shell colorwhite/black/red ... workers, administrative staff and technicians.Our main products are LED light,flashing badges, glowing cups , flashing ice-tubes, glowing pens ...