This elegant functional reading light comes with either a mirror chrome or brushed nickel finish. The opal glass shade gives soft light distribution. It will mount to any flat surface (2 screws included). It has built in touch dimming with on/off and dimming set-point memory. A great addition to any cabin! Specifications 10-30VDC Input Voltage 3W CREE Warm White (2900k -3000k) LED chip Light Output - 200 Lumens Beam Angle - 75 degrees Materials: Aluminum, Chrome/Nickel, Brass, Stainless Steel, & Glass Dimensions with shade at a 45° : 5.5" x 3.5" x 2.5" Technical Specifications Voltage 10-30VDC Power 3 W Light output 200 lumens Color Warm White Dimensions with shade at a 45 5.5" x 4.5" x 2.5" Materials Aluminum, Chrome/Nickel, Brass, Stainless Steel, Glass Multi-volt LED electronics are polarity-protected and built for the marine 12/24 V DC environment. Not sure this is the right base or fixture for your boat? Contact us with a photo of your old bulb or fixture and we'll confirm fit.