ITEM NAME:0.25W 5V DIY solar panels Dijiao board then electronic wire polysilicon boa J8W9 0.25W 5V DIY solar panels Dijiao board then electronic wire polysilicon boa J8W9 Name: 0.25W Material:Class A Polysilicon Operating voltage: 5V Working current: 0-50MA Size: 45 * 45 * 2.8MM Color:Black Package Contents: 1x solar panels Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..Material:Class A Polysilicon.