<b>Tip: Please pay attention to the polarity, the bulb will not light or will not burn if you connect poorly.<br>Please turn off the power before installing the bulb，If the bulb does not work, replace the battery with a new one!</b><br> Base: P13.5S<br> Beam angle:150° <br> Lumen : 200 LM/bulb <br> Color temperature: daylight white 6000K<br> Voltage : DC 5V-24V <br> Chip:CREE XPG-2 <br> LED Quantity : 1 LEDs per bulb <br> Function: Tourch, Flashlight headlight <br> Working temperature:-40-+75 degree <br> Life span: 50,000hours