E27 12V 9W: Working voltage is 12V-85V, it cannot be directly installed in the standard 100V-240V home lighting system. Lighting controlled from the exterior garden via photovoltaic panels. Energy saving: E27 12V LED bulb cool white 6000K, using 9*2835 SMD LEDs, 750 lumens, beam angle 270 degrees, 9W LED replaces the E27 75 W halogen bulb, energy consumption. Reduced by over 85%. Ideal lighting for mountain huts. E27 24V LED: E27 base, size 60*110mm, easy to install. Aluminum material helps the bulb dissipate heat quickly. Instant lighting. Average lifespan is 30,000 hours. E27 24V LED bulb for garage. Safe and environmentally friendly: This E27 24 Volt bulb is not dimmable and is not compatible with dimmers. Contains no lead or mercury. No noise or flickering. The E27 12 Volt LED bulb is perfect for your motorhome/caravan. Application: This E27 12V 24V LED bulb is suitable for solar panels, photovoltaic panels, can be powered by 12V/24V batteries. Ideal for lighting caravans/motorhomes, boat cabins, rotating beacons (gates), garages, chalets, etc.