PA 4x T10 168 194 transform 1156 Ba15s Bulb Base FUNCTION: TO THE USER WHO WANTS TO TRANSFORM T10 BULB to Ba15s , and save money BASE: 1156 BA15S ( SINGLE CONTACT, NO BRAKE FUNCTION) Available to use in CAR/MOTORCYCLE/SCOOTER/TRUCK Male & Female Connectors Incredible Heat Resistance, say Good bye to high temp from HID or Halogen Bulb.