features:<br /> &amp; high quality<br />low power consumption， long life expectancy.<br />low heat， no uv or ir radiation<br />energy-saving and environment-friendly<br /><br />applications:<br />light up colorful home life ，diy household lights for hallways， stairs， trails ，windows，<br />light up colorful life hotels decoration use，theaters， clubs， shopping malls， dining-room，meeting room telephone booth， light box， showroom，studio and exhibition etc<br /><br />product specifications:<br />base type: e14 socket<br />led color:  warm white<br />output power:4.0w<br />input voltage: 220v<br />light source: 4 x 1w high power led chip<br />beam angle: 30<br />body temperature: &lt;60<br />led work tempetature: &lt;65▲c<br />life time: &gt;50，000 hours<br />heat sink material: aluminum， zinc metal alloy<br />the led lamp beads is exactly at least 100lm<br />the total lumen of this led lamp is 400~440lm.<br /><br />package:<br />1 x e14 r50 ses led bulb