Alla Lighting Super Bright LED 3157 Bulb High Power 4014-SMD 4157 3457 3156 3057 3157 LED Bulb 3457A 4157NA 3157A Amber Yellow LED Turn Signal Blinker Light Bulbs Lamp (Set of 2) (Set of 2) High illumination T25 wedge 3156 3157 dual filament LED turn signal light bulbs; LED Type: 54 pieces high power & high quality 4014 led chips per 3157 LED bulb. Color: Amber Yellow; built in IC driver, Working Voltage: 12V ~ 24V. Working Power: 7.8W; Built in intelligent IC driver. Cross reference number: 3056, 3456, 3156. 3156AK, 3047, 3057, 3057A, 3155, 3157, 3157A, 3157NA, 3357, 3357A, 3454NA, 3457, 3457A, 3457NA, 3757A, 4057, 4114, 4157, 4157NA, 5702A, 5702AK . Application: Turn signal lights,back up reverse light,blinker light,corner light,side marker lights,etc;for turn signal lights, it may require 50W 6ohm load resistor to avoid hyper flash or malfunction. IMPORTANT Notice : compatible with both CK SRCK sockets and standard socket. ONE year warranty at manufacturer defect.