At the site I am looking at this picture should explain them better than I...
![[Image: chip-sizes.jpg]](https://s8.postimg.cc/h0orgm069/chip-sizes.jpg)
Choose your power supply, we have LEDs set up with correct resistors for
3 volt DC
5-12 volt DC
7-19 volt AC/DC/DCC
![[Image: chip-sizes.jpg]](https://s8.postimg.cc/h0orgm069/chip-sizes.jpg)
Choose your power supply, we have LEDs set up with correct resistors for
3 volt DC
5-12 volt DC
7-19 volt AC/DC/DCC
![[Image: 7071.gif]](https://www.allsmileys.com/files/sweetim-texticons/7071.gif)