1.How to choose the mirror headlights ?▲ Mirror surface: select the mirror light with a thin thickness, do not leave too much from the wall▲ Mirror cabinet: Select the mirror headlight with long telescopic or long arm, the telescopic range or the length of the arm can be covered, and the thickness of the mirror cabinet can be covered.2. How to choose the width of the lamp?Select the mirror headlights that are close to the mirror/mirror cabinet width. For example, the mirror/mirror cabinet is 50cm wide, so you can choose the mirror headlights with a width of 40cm-50cm according to your personal preference.● Specifications:▲ Size: Lamp body length 85cm* height 5.5cm width 9cm▲ Material: Iron body + acrylic mask▲ Light source: LED 2835,nature light▲ Power: 16w▲ Voltage: 110-220v▲ Application: bedroom, mirror front, bathroom▲ Space: 5㎡-10㎡●Please Note: ☀ 110v voltage is a large wire box, our chassis is not so big, it can be installed, but it can't cover the wire box.If you have any concerns, be careful.☎If you encounter any problems during the installation and use of the luminaire, please contact us in time, we will solve the problem for you in time, and provide you with after-sales service.