Alla Lighting Brightest Amber High Power 2835 SMD 7443 7440 T20 Amber Yellow LED Lights Bulbs for Turn Signal Blinker Side Marker Light (Amber) (Set of 2) LED Type: 21 pieces high power & high quality 2835 led chips per bulb. Voltage: 12V - 24V,built in stable current IC for longer lifespan;Color: Amber yellow Cross Reference: 992, 7440A, 7440AL, 7440NA, 7440, 7440LL, 7440ST, 7440NA, 7441, 7443, 7443LL, 7443ST, 7444NA, 7444ll, etc. Application: Turn signal lights,side marker lights,blinker lights,back up reverse light,corner lights,etc;for turn signal lights, it may require 50W 6ohm load resistor to avoid hyper flash or malfunction. Warranty: Fully ONE year guaranteed for manufacturer defect. IMPORTANT Notice :Not compatible with CK sockets,our bulbs come with Standard socket, NOT CK Type, stardard bulbs installed in the CK socket will burn out or no lighting.