Philips 423731 2.5-Watt (10-Watt) T3 LED Bi-pin Base 12-Volt Landscape Capsule Light Bulb Philips 2.5-Watt Energy Saving LED T3 landscape light can replace your 10-Watt halogen T3, saving you up to $20.62 in energy costs Ideal for illuminating walkways and accenting landscaping Remove lens to allow fit into small fixtures or attach lens for a more diffused light For use in 12-Volt enclosed fixtures Wedge base T3 landscape light lasts at least 22.8 years and contains no mercury