Optimal Dimensions & Compatibility: Each bulb measures 78mm in length and 8mm in diameter, designed specifically for 78mm lamp holders. With a power specification of 100W and voltage range of AC 220-240V, these bulbs ensure a long lifespan of 3000 hours. Please verify the size of your lamp holder before purchase. Adjustable Lighting Experience: Featuring a fully dimmable function, these R7s 78mm bulbs allow you to tailor the brightness to suit your mood and environment. Whether you're setting the scene for a cozy evening or need bright light for detailed tasks, these bulbs meet all your needs. High-Quality Illumination: Experience superior lighting with a 360° omnidirectional beam angle. The bulbs emit a warm white light at 2800K with a color rendering index of ≥99 and an impressive 1800 lumens. The high-quality light output is consistent, flicker-free, and gentle on the eyes. Versatile Applications & Reliable Support: Ideal for a wide range of applications including residential and commercial floodlights, work lighting, showroom illumination, stage and studio lights, and landscape lighting. Color: Transparent Material: Glass Package Contents: 6pcs x R7S Halogen Linear Light Bulb Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.