cciyu T10 194 168 192 921 Wedge 2323 SMD High Power 1W LED Light Bulbs,20Pack White LED Type: T10 2323 1W LED Bulbs. Dimension:12mm X 28mm(0.47" x 1.10") Cross Reference: W5W (194 168) 147 152 158 159 161 184 192 193 259 280 285 447 464 555 558 585 655 656 657 1250 1251 1252 2450 2652 2921 2825 921 906 579 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, RV, Boat, Marine, ect. Ultra Bright LED, unique and more vivid color;Long-lasting Life - 50000 working hours Please NOTE: If the LED does not light up, simply Rotating it 180 degrees (reverse the polarity)