The Hinkley Lighting 1.7 Watt LED Wedge Base Landscape Replacement Bulb can be installed in Hinkley outdoor lighting fixtures that are equipped with a T5 wedge base halogen light (bulb ids: 906, 912, 921, 921X). The LED outputs 180 lumens, with a CRI of 80+ and a color temperature of 3000K (cool white).