hello i pick up few ligh from a train track crossing road ,,, here is a picture of the spec in the back and the look at the front pcb ... what do i need to power it thank
https://www.dropbox.com/s/kpnzw5x8ezunm5x/Train%202.jpg
https://www.dropbox.com/s/hexo5dz9g9...in%20light.jpg
https://www.dropbox.com/s/kpnzw5x8ezunm5x/Train%202.jpg
https://www.dropbox.com/s/hexo5dz9g9...in%20light.jpg