E27 12V 9W: The working voltage is 12V-85V, which cannot be directly installed in a standard 100V-240V home lighting system. Illuminate the outdoor garden controlled by photovoltaic panels.Energy saving: 12 Volt E27 LED bulb cold white 6000K, with 9*2835 SMD LEDs, 750 lumens, the Beam angle is 270 degrees, 9W LED replaces 75W E27 halogen bulb, reducing power consumption by more than 85%. Ideal lighting suitable for mountain huts.E27 24V LED: E27 base, size 60*115mm, easy to install. The aluminum material helps the bulb dissipate heat quickly. Instant lighting. The average life is 30,000 hours. E27 24V LED bulbs suitable for garage.Safety and ecology: This 24 volt E27 bulb is not dimmable, not compatible with dimmers. No lead or mercury. No noise or flicker. 12 volt E27 LED bulb is ideal suitable for motorhome/caravan.Application: This 12V 24V E27 LED bulb is suitable suitable for solar panels, photovoltaic panels, and can be powered by 12V/24V batteries. Ideal suitable for lighting caravan/motorhome, boat cabin, beacon (gate), garage, country cabin, etc.