<br><br><b>Feature:</b> <br>Each 3157 led bulb powered by 102 pcs 4014 led chips,much brighter than the same led bulbs with other led chips <br>360 degree lighting with HD projector ensures optimal visibility and better light penetration <br> Wide voltage design,EMC electric circuit. Intelligent constant current IC,no radio interference <br> Faster on/off response time,low power consumption, energy-saving, longer lifespan <br>All aluminum and hollow inner body design, more space for better dissipation <br><br><b>Application: </b> <br>ONLY used for backup reverse lights. <br>Suit for socket: 3047 3056 3057 3155 3156 3157 3157A 3157NA 3356 3357 3456 3457 3457A 4057 4114 4156 4157 etc. <br><br><b>Package Includes:</b> <br>One pair of 3157 backup reverse light led bulbs <br><br><b>Important Notice! </b> <br>1.You might need to add 50W 6-Ohm load resistors or change flash rely to prevent the 4157 LED bulbs from hyper flashing