The JC G4 Bi-Pin Base 12 Volt LED retrofit lamp is an energy efficient alternative to incandescent G4 base lamps. 1 watt equivalent to a 5 watt, 1.5 watt equivalent to a 10 watt, 2 watt equivalent to a 15 watt, 2.5 watt equivalent to a 20 watt, and 3 watt equivalent to a 25 watt halogen. Dimmable with most magnetic and electronic compatible LED transformers, and most magnetic low voltage and electronic low voltage dimmers. ETL listed for damp locations. Suitable for enclosed fixtures. Sold as a 2 pack.