20Pcs JC Type G4 Halogen Bulbs, 12V 10 Watt, 280 Lumens, Soft White, G4 Clear Bi-Pin Base. Pin Spacing: 0.16" (4mm), Bulb Diameter: 0.32" (8mm), Bulb Length: 1.19" (30mm). For use with stable AC/DC 12 volts only. Before using G4 halogen bulbs, confirm the voltage is 12V. These bulbs are not suitable for 120V products such as oil burners, lava lamps, or similar devices. Using in 120V fixtures may cause the bulbs to explode. Easy installation and up to 25,000 hours of lifetime. G4 halogen bulbs are precision manufactured with high-quality components. Simply insert the bulb into the socket, but avoid touching the glass with bare hands. Handle with care. High-quality eco-halogen technology provides excellent lighting performance. 360-degree beam angle, CRI >99, uniform light output, 2700K warm white. Fully dimmable, mercury-free, no flicker, no buzzing, instant on. Ideal for a wide range of applications including landscape lighting, chandeliers, oven lights, accent lighting, under cabinet puck lights, wall sconces, range hoods, closet lights, floor lamps, desk lamps, offices, restaurants, retail stores, caravans, boats, and yachts. Note: This is a low-voltage halogen bulb. Ensure compatibility with a proper transformer. Warranty: We are committed to delivering high-quality standard light bulbs. Please if you have any questions.