High-quality materials: These 12V 20W G4 halogen bulbs are made of high-quality, lead- and mercury-free tungsten wire. They are manufactured according to our strictest quality guidelines and are safe for you and your family. The lifespan of the G4 halogen bulb is over 2000 hours, reducing replacement and maintenance costs. Performance: Our warm white G4 bulbs emit a pleasant, bright 2800K light that is gentle on the eyes and not too harsh. These 20W G4 halogen bulbs produce 300 lumens of even light in all directions, with consistent color and no flicker, effectively protecting your family's vision. Lighting: widely used in accent lights, woodworking disc lights, chandeliers, wall shelves, cabinet lighting, floor lamps, table lamps, pathway and landscape lighting, RVs, caravans, boats, yachts, etc. Application: G4 halogen bulbs for crystal chandeliers. Also widely used in countertops, cabinets, home or office table lamps, garden or landscape lighting, wardrobes, etc. Easy to use: a set of 10 G4 halogen bulbs can be used for dimming circuits and light up instantly without waiting; plug and play. Classic clear glass design, flicker-free and hum-free. Capsule bulbs are ideal for breakfast areas such as kitchens, living rooms, bedrooms, table and floor lamps, ceiling lights, etc.