Product Feature: High Brightness : Each bulb is equipped with 15 pieces of high-power 2835 LED chips, more than 300% brighter than a halogen bulb. Advantage : Non-polarity Design, compatible with both CK/SRCK and Standard socket. Excellent Heat Dissipation : Full Aluminum Housing for better heat distribution, built-in Constant Current IC for a Longer life span & Low Power Consumption. Flashing Details : This bulb will strobe flash at the beginning of the braking model (rapidly flash 5 times) and then keep solid light.Product SpecificationType:Strobe Light.To Fit:Brake Light. Bulb Size:7443/7440/T20 Number of Bulbs:4. Voltage:12V. Light Color:Red. Lighting Technology:LED. LED Type:2835 LED Chip. Number of LEDs:15 LEDs per bulb. Lifetime:Up to 50,000 hours. Fitment Type:Direct Replacement. Placement on Vehicle:Rear, Left, RightPackage Included 2pcs x 7443 LED Light Bulbs