This bulb is compatible for both CK/SRCK and standard socket, Non-polarity design. Excellent quality in the market!
Features:
Dual Brightness: Dim mode & Bright mode
Dim mode is on while tail lights or DRL working
Bright mode is on while the brake/turn signal lights or back up reverse lights working
The bulb run in bright mode when your bulb only function in one mode.

High Brightness LED: 48SMD 2835 chipsets & 4SMD 3030 chipsets.
Working Voltage: 9-30V (fit 12V, 24V vehicles).
Output Wattage: 5W/bulb (low power consumption).
Color: xenon white 6000K.
Waterproof: IP65.
Long-Life: over 30,000 hours.

Note:
Load resistor or flash relay might be needed to prevent the hyper flash when replacement for turn signal lights.

IMPORTANT NOTICE!
It is better to confirm the bulb base (cross reference bulb size number) before placing an order.

Fit cross reference number:
3056, 3156NA, 3156K, 3156, 3156A, 3156AK, 3156NAK, 3047, 3047LL, 3047K, 3057A, 3057ALL, 3057, 3057ST, 3057K, 3057KX, 3057X, 3057KLCP, 3057LL, 3155, 3155LL, 3157A, 3157AK, 3157 ,3157K, 3157X, 3157LL, 3157ST, 3157KX, 3157NA, 3157NALL, 3157NAK, 3357A, 3357ALL, 3356, 3357, 3357KNA, 3357LL, 3357K, 3454NA, 3457A, 3457ALL, 3457AK, 3457, 3457K, 3457NA, 3457NAK, 3757A, 3757AK, 3757ALL, 4057, 4057LL, 4057K, 4114, 4114LL, 4114K, 4157, 4157LL, 4157K, 4157NA, 4157NAK, 5702 ect.