Adjustable Brightness: The G4 LED bulb emits 200 lm, 3000 K warm white light and a 360-degree beam angle, dimmable. You can adjust the brightness you want according to your needs, creating a pleasant and bright atmosphere for your room, without blue light. Compatible with most dimmer switches. Ideal for LED dimmers. High-quality dimmers prevent the bulb from flickering. Excellent Performance: Built-in high-quality LED chip, no buzzing, no glare, no flickering, no warm-up required. Up to maximum brightness, protect your eyes. Energy Efficient and Durable: G4 12V LED bulbs can replace conventional 20W halogen lamps. They only use 10% energy to achieve the same or higher brightness. You save 90% of your electricity costs. The lifespan can reach 30,000 hours, saving you the trouble of changing lamps frequently. Safety and Health: CE and RoHS certified, CRI> 80, ensures vivid visual enjoyment with original color. There is no radiation or harmful substances like mercury. No UV or IR. High