As long as the product isn't man-made damaged, send it back. We will check and verify if it's natural damaged. Our product has two-year warranty.LED Make up Mirror Light Bulbs USB 12V Hollywood Wall Lamp Vanity Lights Bathroom Dressing Table Lighting Dimmable LED Wall Lamp Use: Applications: bedroom, baby room, drawing room, closet, cabinet, corridor, workshop, basement, garage,stairwell, oil depots, roof, door, garage entrances and other places. Tips: The makeup mirror light bulb supports multiple modes of power supply, but they do not include batteries. Advantages: * Vanity hollywood style led mirror Light bulbs, the newest design, advanced version, more beautiful and more convenient. * USB Port, the bulbs and the power supply can be connected by USB in many ways, such as laptop, power bank, socket, so it is very convenient when using. * Brightness adjustment, the brightness can be adjusted from bright to dark, from dark to bright, according to your need. * It equips with memory function, recording the last lighting mode when you use it and it is the same lighting mode when you use it again. * The Max distance between two bulbs is about 33cm, which makes it fit most mirrors. * Wire length adjustment, the smallest distance between two bulbs can be shrank to is about 1.7cm, if you think it is too closed, it can be lengthened, according to your need, very easy to operate. * The most important thing is that the excess wires are hidden in the bulbs, which can not be seen outside, to keep your mirror neat, beautiful and elegant. * Double-sided tapes and suction cups are provided, the bulbs can be directly and quickly sticked on mirrors with tapes or suction cups. * DC 12V Input voltage, safe to use. * Good cooling effect, energy saving, long lifespan. * Soft light, high luminous efficiency, no heat radiation, no flicker, no spots, eye protection, providing a professional lighting for makeup. * Can be used for makeup, fill light, decoration, mirror decoration lamp, stage decoration lamp, cabinet decoration lamp studio decoration lamp and so on. * Be suitable for Wedding Birthday Party Valentine's Day and other festivals. Parameters: * Product name: LED Vanity Light Bulbs * Material: PC * Input Voltage: DC12V * Power: 10W * Light Color: 3 Colors (Nature White / Cold White / Warm White) Only Nature White * Color temperature: (3500-6500K) * Plug: USB Port * Bulb Size: 3.2cm X 4cm X 4.8cm * Number of Bulbs: 10pcs * Distance Between 2 Bulbs: Approx 33cm * Dimmable: Stepless Dimmable If you want buy more, please contact with us