Brightness Comparison: Stock halogen lamp VS Phinlion LED bulb High performance, each 1157 LED bulbs has 4 high quality & high power CSP led chips, super bright and low power consumptionThese LED bulbs are designed with constant current IC driver, easy to installMore reliable, 12-24V wide working voltage, dual filaments, big difference between low and high beam activationMore durable, whole aluminum body with air holes, excellent heat dissipation, long-lasting LED lightingThey’re available for a wide range of applications, use for upgrading OEM conventional incandescent bulb: front rear turn signal blinker light, backup reverse light, daytime running light(DRL), side marker light, parking light, cornering light, brake stop tail light, etc. Please note: 1) Due to the led bulbs draw much less current than halogen bulb, for turn signal lights upgrade, 50W 6-ohm load resistor or LED flasher relay might be needed to prevent hyper flashing 2) Please check the owner manual or stock bulb size before purchasing. Features Aluminum Body 6063 aviation aluminum body with air holes, excellent heat dissipation, longer lasting Glass Projector high output LED chips + glass projector provide excellent light distribution Super Bright Much brighter than halogen lamp, makes your vehicle more visible to other drivers How to Find Correct Bulb Size for Your Vehicle? The most recommended way: check your vehicle user manual or original bulb's part number to see if the part number is the same as the cross reference number listed above(the part number is generally on the bulb's base or body)Search "automotive bulb look-up" online, and enter your vehicle info to find out the correct sizeCheck Amazon fitment system on the upper left corner where it says "AmazonConfirmedFit". (Amazon fitment system may not be 100% accurate) 3156/3157 LED Bulbs 1156/7506 LED Bulbs 7443/7440 LED Bulbs 3156/3157 LED Bulbs 921/912 LED Bulbs Add to Cart Add to Cart Add to Cart Buying Options Add to Cart Customer Reviews 4.4 out of 5 stars 127 4.6 out of 5 stars 1,209 4.2 out of 5 stars 414 — 4.6 out of 5 stars 770 Price $19.99$19.99 $19.99$19.99 $19.99$19.99 — no data $13.99$13.99 Color Amber Amber Amber White White Non-polarity ✓ ✓ ✓ ✓ ✓ Current 0.72A 0.72A 0.72A 0.72A 0.5A Power 8.6W 8.6W 8.6W 8.6W 6W Applications Turn Signal/Side Marker Light/DRL Turn Signal/Side Marker Light/DRL Turn Signal/Side Marker Light/DRL Reverse/Turn Signal/Brake/Tail Light/DRL Backup Reverse Light