[Energy Saving LED Light Bulbs]- Replace 50W old GU10 halogen bulb with 4W LED GU10 bulb, saving 92% on electricity bill, and the long lifespan (up to 15,000 hours) will lower your ongoing maintenance costs by reducing re-lamp frequency. [Easy to Install GU10 Bulbs]- These GU10 LED bulbs can be easily fitted to replace ordinary GU10 halogen spotlight bulbs, and the starting time is less than 0.5 s, no need to wait for warming up the lamp. [Nice Warm White Lighting]- High quality GU10 bulb gives off 345 lumen flicker-free 2700 kelvin warm light for pleasant, inviting and a homely atmosphere, and high colour rendering (CRI > 80) provides vivid and natural colour. [Wide Angle Uniform Lights]- 100 degree wide angle for a bright flood general lighting, which is more diffuse and uniform than narrow angle spot light, lights up the whole room with no shadows. [Wide Application Light Bulbs]- These warm white GU10 bulbs are ideal for kitchen, living room, bedroom, office, restaurant, hotel, coffee shop, ceiling light fitting, wall or ceiling spotlights, track light, recessed down-light, etc.