Product Information
- size: 31 * 21 * 9mm.fixed hole: 3mm.pitch: 15mm.
- LED color: red,blue,green,yellow,white (color to buy please note,the default random delivery).
- brightness: normal.operating voltage: 3.3v-5v.
- output: digital level (press low,release high).interface: arduino 3p interface s v g.platform: arduino,single chip.