1.pin led lights for car 2.T10 ... a 10W, 100ohms resistor parallel with the LED.Features:Long-lasting LED chipsets with T10 Wedge Contact Base.Great for ... lights, Door Lights, Tail light, backup light, etc.Long service life, high luminous efficiency.Energy saving, stable performance ... .Green and enviroment-friendly products, safe and reliable.Compatible with T10 W5W 147, 152, 158, 159, 161, ...