【EXCELLENT PERFORMANCE】: High brightness 300 lumen, 2800K bright warm white, CRI100. Our G4 bulb 12V provides warm lighting conditions similar to sunlight. With a CRI up to 100, it accurately restores the true color of objects, making illuminated areas appear more vibrant and natural. 【HIGH QUALITY AND DURABLE】: CE and RoHS compliant. The lifespan of these G4 12V 20W halogen bulbs exceeds 3000 hours, with the ability to be switched on and off up to 15,000 times. These bulbs meet strict testing standards for flicker, glare, and color reproduction, helping to protect your eyes. 【G4 DIMMABLE 100%-10%】: 20W G4 halogen bulb compatible with most dimmer switches. Adjust brightness from 10% to 100% to suit different settings and moods. Ideal for use in table lamps or ambient home lighting, creating a comfortable and pleasant atmosphere. 【EASY INSTALLATION】: Diameter: 0.31” (0.8cm), Length: 1.18” (3.0cm), Base: G4 bi-pin (4mm apart), 0.7mm pin diameter. Designed with a standard G4 bi-pin base for easy installation—simply insert into the socket. Instant illumination with a 360° beam angle. Offers reliable compatibility with various fixtures. 【SATISFACTION GUARANTEED】: Backed by a 90-day seller warranty. CE and RoHS compliant. If you experience any issues, support is available to assist promptly.