Feature:1. 50 lamp beads provide illumination, sufficient light and high brightness, ring design, more uniform illumination2. USB switch controls light emission, no need to use LED controller or transformer, easy to operate and use3. Made of high quality aluminum substrate, light and wear resistant, 2835 SMD high brightness lamp beads ensure sufficient lighting4. Low power, it supports cold and warm two lighting modes and will not overheat and waste electricity after long term use, saving energy5. Wide range of applications, suitable for LED bulbs, small chandeliers, table lamps, etc., to meet daily needsSpecification:Item Type: Ring Light PlateMaterial: aluminum substrateWeight: Approx. 62g / 2.19ozInner Diameter. Approx. 92mm / 3.62inOuter Diameter: Approx. 112mm / 4.41inLamp Width: 1cm / 0.39inUSB Voltage: 5VLamp Board Output Voltage: 3V-5VPower: 10WLamp Beads Model: 2835 SMD lamp beadsTotal Number of Lamp Beads: 50PCS (white light/warm light each 25PCS).Package List:1 x Ring Light Plate1 x Power Cable1 x Manual