Each 1157 LED bulb contains 50 Beautiful High Quality SMD LEDs , which are much brighter than the stock yellowish traditional lamps12V DC replacement bulb for Car 1157 Tail Brake Stop LED light applications.High performance LED, long lifespan, superior illumination & stabilityOur suitable replacement bulb for Tail Brake Stop Light.Most vehicle applications required 2 bulbs.Life Time : About 50,000 hoursEasy installation, just plug & play,replace your bulbs directly.Luminous flux: about 250-350LM;200% Brightr than Normal 22 SMD Specificatiion:1. For 12 volts2. Number of Bulbs: 4 PCS3. LED Color: Pure White (6000K)4. LED Type: 3528 3 chips SMD, Each LED has 50 SMD in total.5. Head diameter: 18mm6. Total Height: 33mm7. Cross Reference: 1157 (BAY15D) 1157A 7528 2357 2357A 2057A 2057 3496 1016 1034 1142 1152 1154 1158 1178A 1196 2057A 2357A 2357NA P21/5W (For Reference Only)8. Application: Great replacements for 1157 Tail Stop Light, Brake Light, Parking Light, Side Marker Light, etcNote:Make sure this is the correct application type of bulb before placing order.European brand name of cars may need to tap on Load Resistors (CHECK HERE ) to remove the error code on dashboardwhen you use it as Turn Signal lightIf they don't light after inserting into the socket, insert oppositelyFor eyes safety, please don't look directly at the bulb within one meter.colour:silverMaterial:aluminumPackage Contents:4 * Lights BulbOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.