1.DC 12 volts

2.Number of Bulbs: 20PCS

3.LED Color: Amber Yellow

4.LED Type: High Power 2835 SMD 

5.Dimension:12mm X 28mm 

6.Weight: 2.2g /PC

7. Cross Reference: W5W 194 147 152 158 159 161 168 184 192 193   259 280 285 447 464 555 558   585 655 656 657 1250 1251 1252 2450 2652   2921 2825 906 579 

8. Application: Common use for Interior (Map, Dome, Cargo, Courtesy) Light, License Plate Light, Parking   Light, Turn Signal Light, Corner Light, Side Marker Light, Tail Light,   and Backup Lights, Common use for Car, Truck, Motorcycle, Scooter,   Trailer, Marine, ect.       

Note:

- Won't light up: Flip it 180 degrees (reverse the polarity). Move the metal pin clips closer so that they can mount the festoon   tighter. (You don't have to do that if you think it might break the clips.)

-Flicker: Try slightly raise the led bulb's metal pin and reinsert (improve connectivity).