Our Brass series of Bi-pins is an excellent product for any application. The fully potted IP65 rated with brass housing makes this an industry-leading product design by our engineers. Our quality components paired with the best LED chips in the industry make this Brass G4 not only affordable but the best in its class. Offering 100 lumens per watt, this 4 Watt 400 lumen has the highest lumen output in the industry.