Elite Screens Inc. ZU12V Universal Wireless 5-12V Projector Universal wireless projector trigger Compatible with specific version 2.0 Elite Screens Electric Screens Only. *Not compatible with the following series: Starling, Starling Tab-Tension, Starling Tab-Tension 2, or Other Branded Screens. No 12V trigger output required from projector Synchronizes to the projector's power cycle to wirelessly drop and rise the screen Control distance range, up to 80 feet