LED Bulb: Provides supplemental lighting or side lighting for photography when light is low. It also helps you get higher quality pictures and videos when natural light is not available.3-Level Brightness: High brightness with three-level dimming options. Brightness levels can be easily adjusted with the push of a button. Indoors or outdoors, day or night, enjoy selfiesEASY TO USE: No insertion required, very easy to use. Simply clip this clip-on light to your smartphone and press the power button, and youll have supplemental lightingHigh Compatibility: Compatible with smartphones and tablets ipad: iPhone 6s / 6s Plus / 6 /6 Plus / 5s / 5c / 5 / 4s / 4, Samsung Galaxy series, such as Galaxy S7 S7 Edge, S6, S6 Edge, Note 5 , LG Phones, Moto, Huawei, HTC, Sony and other smart phonesEnergy saving: no battery required, only USB data cable charging is more economical and environmentally friendly