Energizer S5410 ECO 33W G9 Capsule Dimmable Halogen Light Pack of 2 Low voltage halogen capsule with G9 (two straight pins) push fitting. This lamp is often used in cupboard and under shelf / counter lighting and in modern multi-light fittings. Features: The Two Straight Pin ended bulb is designed to fit a standard G9 Fitting. This Halogen bulb produces more light output than an incandescent lamp of equivalent wattage, and has superior colour retention. The Bulb has the output of a standard 20w Halogen G9 bulb, but only uses 33 watts p/h Can also be used with a dimmer switch