Standard Size & Soft light20Pcs JC Type G4 Halogen Bulbs, 12V 10/20 Wattage, 280 Lumens, Soft light, JC Halogen Light Bulbs 2 pin, G4 Clear Bi-Pin Base. Width between 2 Pin: 0.16"(4mm), Bulb Diameter: 0.32"(8mm), Bulb Length: 1.19"/(30mm). ONLY used for stable AC/DC 12 volts. NoticeBefore Use G4 Halogen Bulbs, Please Confirm That The Voltage Is 12V,G4 Halogen Light Bulbs Are Not Suitable For 120V Products, Such As Oil Burner, Lava Lamp And So On, If Used In 120V Products, It Will Cause The Bulbs Explode Easy Installation & 25000 Hours LifetimeG4 Halogen Light Bulbs are precision manufactured with top quality components to illuminate for up to 25000 hours. It's easy to click the g4 light bulbs into your light fitting, BUT don't touch them with your hand directly. Please be careful! Excellent & Safe Lighting QualityHigh Quality Eco-Halogen, Wide 360 Beam Angle, CRI>99, Homogeneous Light, Eye-protective, 2700K Warm White. Fully dimmable, no Mercury, no flicker, no buzzing sound, Instant On. Widely ApplicationsThese G4 halogen bulbs are used for Landscape Lighting, Chandeliers Light, Oven Light, Accent Lights, Under Cabinet Puck Light, Wall Mounts Sconces, Range Hood, Closet Lights, Floor Lamps, Desk Lights, Office, Restaurants, Stores, Caravan, Boats, Yachts, etc.(Please note this is low voltage Halogen bulb.Make sure you are using a suitable transformer) WARRANTYWe are committed to providing our customers with high-quality standard light bulbs. Please if you have any questions.