Attractive and durable built-in solution with tab-tensioned system for a flat projection screen surface at all times.Building in a projection screen efficiently was never this easy.- Easy Serviceability System:once installed. the motor and screen surface remain accessiblemaking adjustments and carrying out maintenance possible.The bottom panel and case remain connected to each other.- Easy to build into existing non-modular ceilings.- The case and the projection screen surface can be made to exactly the right size and the case is available in any colour for optimal integration into any interior.- Limit switches are factory set guaranteeing a long life span. The Tensioned Descender Electrol is supplied with a wall switch.- The projection surface is extremely flat. making it suitable for all types of data and video projectio
