The WEST MARINE Edison Standard Screw E26/E27 A50 Globe LED Bulbhas been designed as a replacement and upgrade for standard halogen, Xenon and incandescent filament bulbs, offering dramatically lower power consumption and heat generation, while having much greater lifetime and shock resistance. For even greater light output and quality as well as higher efficiency (more light per watt) please look to our Premium series bulbs. This bulb replaces and has similar brightness to 10 and15 watt traditional 12V bulbs using the A50 (2") or bigger Globe or "bulb". Fits standard household lighting screw bases Edison screw E26 or E27 which interchange. 10-16VDC input range. 200 max lumens, radiates in all directions. Commonly used in Marine and RV interior lights. Dimmable from 7.5-10V. Natural bright white 4000k. NOTforuseon AC 110/220 Volts.