paul russells GU10 LED Bulbs, 4W 345lumens, 50Watt Equivalent, GU10 Spotlight Bulbs Replacement, 36° Narrow Beam, Natural Cool White 4000K, No Flickering, Energy Saving Non-Dimmable, Pack of 20

ENERGY EFFICIENT BRIGHTNESS: paul russells GU10 LED bulbs use just 4W to produce 345 lumens, matching the brightness of a 50W traditional spotlight bulb while using far less energy. Light comes on instantly, with no flicker. COOL WHITE 4000K, 36 DEGREE NARROW BEAM: A crisp, clean cool white with CRI 80, so colours look natural and spaces feel bright. The focused 36 degree beam directs light where you need it, suiting kitchens, offices and downlights. EASY FIT GU10, NOT DIMMABLE: GU10 twist-and-lock base fits all standard GU10 light holders. No driver, transformer or rewiring needed, just 220-240V mains. Size 56mm tall x 50mm wide. Use with a standard on/off switch (not dimmable). NO WARM-UP, NO FLICKER: Reaches full brightness in under a second from cold, with steady, flicker-free light that is easy on the eyes. The room is ready the moment you switch on. LONG LIFE & PEACE OF MIND: Built for durability with a lifespan of up to 15,000 hours, reducing how often you replace them. Every bulb is tested before it ships, backed by a 36-month replacement guarantee and any question answered within 24 hours.