2015 Colorful LED Bicycle Light Bob Laser Co., Ltd Base Info Model NO.:IDS 999Certification:CE, EMC, FDA, RoHSPower Type:Cr2032 Button Battery(2 Peices)Dimension:30*30*18mmWeight:20.5g( 58g with Package)Sheathing Material:ABS Description Pre:Mini Fans for Rechargeable Table Fan Next:Rechargeable LED&Laser Bicycle Light IDS666