1.Highly efficient LED lighting that saves battery by replacing old halogen or incandescent lights in your RV, Trailer, Van, & Boat. 2.Easily adjust the brightness to find the perfect setting for every moment. Simply press the touch activated switch and hold to achieve desired light brightness. Light has a memory function for brightness. 3.Pleasant warm atmospheric lighting (3000K) that is offers a non-flickering LED light that's the eyes. 4.Fully adjustable light has a 350-degree horizontal rotation for reading adjustments and a 90-degree vertical to adjust for different laying postures. 5.Light is equipped with a USB port to charge all your devices- smartphones, tablets, & other electric devices. Devices that are plugged into the USB port will continue to charge even when light has been turned off. If replacing another reading light that has a pre-existing mounting hole that is larger than 1-3/8inch this light will not cover that hole and require a cover plate Easy installation: In lights mounting base there are two wires- a RED (positive) and a BLACK (negative) wire. Surface mount- Connect wires, screw in mounting plate, & power on light. Wiring hole maximum hole diameter- 1-3/8inch, hole diameter larger than 1.2inch needs a cover plate (not included) to cover 1.2inch diameter hole. CAUTION: DO NOT MOUNT ON METAL SURFACE- this may cause the touch control feature to fail. Colour:silver Material:Metal Package Contents: 1 x Reading light Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.