Green Stuff World Light Box Studio. The portable Lightbox Studio is designed to photograph small items. Photography enthusiasts and beginners alike can take professional-looking shots. It can be carried anywhere thanks to its ability to fold compactly. It is powered via the included USB cables which plug into any USB port. You can control the power and brightness of the incorporated LED lights through the dimmer control. Color Rendering Index (CRI) = 70 The color temperature of the led lights is around 6000k-6500k Contains: 1x Foldable 21x21x21cm Lightbox Studio 2x LED Strips 2x Micro USB 2x USB Dimmers 2x EVA Background (Black and White) 2x Fabric Background (Black and White)