The WEST MARINE Edison Standard Screw Downlight E26/E27 LED Premium Bulbuses cutting edge LED chips, drivers and construction offering the highest levels of performance, efficiency, and reliability. This results in dramatically reduced power consumption while having greater light output than the majority of bulbs of its size. It will produce bright flicker free light which will render true and vibrant colors, and reduce eyestrain compared to lower quality LED bulbs. This is achieved using high efficiency chips and drivers which produce more light output per watt of power consumed. This bulb replaces and has similar brightness to 25 watt traditional 12V bulbs, similar to HR16, PAR16 and PAR20 shapes. Fits standard household lighting screw bases Edison screw E26 or E27 which interchange. 10-16VDC input range. 420 max lumens, radiates downwards like a wide spot / flood light Commonly used in Marine and RV interior lights Dimmable from 7.5-10V Bright warm white NOT FOR USE ON AC 110/220 VOLTS