1,Premium Quality & Durable: These G4 halogen bulbs 20W are used high quality tungsten wire with no lead or mercury, and they are manufactured under our the strictest quality guidelines, safe for you and your family. The G4 light bulbs lifespan is over 3000 hours, reducing the cost of replacement and maintenance.2,Excellent Performace: Our G4 halogen bulb gives off a pleasing bright 2800K warm glow, easy on the eyes and not too bright. This G4 bulb produces an even light of 300 lumens in all directions, uniform color consistency, no strobe, effectively protecting your family's eyesight.3,Easy installation: Diameter: 0.31 (0.8cm), Length: 1.18 (3.0cm), Base: G4 Bi-Pin (4mm or 0.16 apart), 0.7mm Diameter (updated), G4 light with standard G4 bi-pin base, Easy and quick to install without trouble, good compatibility.You just need to insert this G4 12V 20W halogen bulb into the Empty Sockets. instand on, 360beam angle.4,Many Lighting Applications: G4 halogen lamp Often used for accent lights, under cabinet puck light, chandeliers, wall mounts sconces, closet lights, floor lamps, table/desk Lights, track lighting, and landscape lighting , RV, caravan, boats, yachts, etc.5,Friendly Customer Service: our company is committed to providing our customers with high quality G4 light bulb, we are dedicated to ensuring your fully satisfaction. We provide customers with service of 180 days. Please contact us when you have any problem about this G4 light fixture, we will solve the problem for you within 24 hours.