Features:1.Shock and vibration resistant2. Last 100 times longer than standard bulbs, lifespan more than 80, 000 hours3. Low heat generation,Low power consumption4.Easy to install,direct replacement for your stock bulbs5.100% safe to use on Vehicles and boatsInstallation Note:This LED bulb is polar sensitive, so in case the bulb won't light up, please flip it 180 degrees,We highly recommend professional installation.