about this item:<br />these unique led bulbs are dual purpose; an led headlight bulb and a color changing demon eye all in one! whether you're cruising around town before the sun sets or sitting at a local car meet， these bulbs will give your headlights an awesome demon eye effect with the help of our industry leading smartphone controller. when that sun goes down and your  halogen bulbs leave a lot to be desired， we've got you covered!<br /><br />features:<br />-package content: one pair led headlight kit with bluetooth app controller<br />-super bright design with 360 degree full angle illumination<br />-high quality aluminum heat dissipation and low power consumption， shake-proof， dust-proof and waterproof<br />-light color: 16 million color rgbw<br />-for halogen capsule headlamps only<br />-compatible with: h4 h7 h11<br />-application: headlights/high beam<br />-lumens: 2400lm/bulb<br />-led type: cob<br />-waterproof rate: ip67<br /><br />installation:<br />plug and play installation. direct replacement for factory halogen bulbs and without any issues with on-board canbus cpu.<br /><br />pcakage included:<br />2x led headlight kit<br />1x bluetooth controller