Alla Lighting Xtremely Super Bright 7443 7440 T20 LED Red Bulbs High Power 3035 SMD for Turn Signal Brake Tail Light (Set of 2) LED Type: 27 pieces high power & high quality 3035 led chips per bulb. Dual filament, big difference between high and low intensity light output, easily noticed while braking or turn signal, brightest & best value in the market. Warranty: Fully ONE year guaranteed for manufacturer defect. Color: Brilliant pure red. Application: Turn signal blinker lights,brake lights, tail lights,stop light, side marker lights,stop lights;for turn signal lights, it may require 50W 6ohm load resistor to avoid hyper flash or malfunction. Cross Reference Number: 992, 7440A, 7440AL, 7440NA, 7440, 7440LL, 7440ST, 7440NA, 7441, 7443, 7443LL, 7443ST, 7444NA, 7444ll, etc. IMPORTANT Notice :Not compatible with CK sockets,our bulbs come with Standard socket, NOT CK Type, standard bulbs installed in the CK socket will burn out or no lighting.