WHATS INCLUDED - MiniSun Branded 5w Dimmable SMD GU10 LED Thermal Plastic Body and Frosted Lens Bulb. Please Ensure You Have a Compatible Trailing Edge Dimmer Switch - If In Doubt Contact a Qualified Electrician Before Ordering. QUALITY TESTED FOR RELIABILITY: Each bulb undergoes thorough quality testing to ensure consistent performance, dependable reliability, and long-lasting operation, giving you confidence in safe, stable, and efficient everyday use. BULB TYPE - Dimming Range: 30% ~ 100% (Light Output). Colour Temperature: 3000K Warm White. 400 Lumens. Beam Angle: 110°. MEASUREMENTS - Width 5cm x Height 5.5cm x Depth 5cm. ABOUT US – At ValueLights, our commitment is as clear today as it was the day we opened our doors back in 2009: to become the go-to people for lighting. As a UK-based team, we design and dispatch our products from our home in the UK, bringing together quality, style and a wide range of lamps, lights, shades and bulbs.