LE 4W GU5.3 MR16 LED Bulbs, Equal to 40W Halogen Bulb, 12 VAC/DC, 120&deg; Beam Angle, 280lm, Warm White, LED Light Bulbs, Pack of 10 Units Solid State. Shockproof and vibration proof. Energy Saving. Replace 40W halogen bulb by 4W LED bulb. Save 90% energy Extremely long life. lowers maintenance costs by reducing re-lamp frequency Eco-Friendly. No lead or mercury Pack of 10 Units