Check the listing for details. LED Star Stage Backdrop Star Curtain DMX512 Background Starry Sky W/ Controller. Condition: New. Listed at 209.70 USD. LED Star Stage Backdrop - 20x10FT LED Star Curtain Background Starry Sky DMX512 Specification: Material:Velvet Voltage: AC90-240V / 50-60Hz Power: 30W LED: White & Blue Channel: 8CH Mode: Auto / DMX / Voice Activated / Master-slave Size:about 6m/19.69ft*3M/9.84ft Features: White & Blue LED star backdrop is designed for any mobile performer, beautiful star sky background. It can create many lighting effect: gradual, pulse, strobe, combo colors, controlled via the included controller or via DMX console. Easily mount to truss or various stands using built-in grommets. Velvet material, super bright beads, and low power consumption. Foldable, simplify storage and transportation. Great decoration for variety of stage, television show, wedding, KTV, pub, bar, disco, etc. Package Included: 1.