VIVIDSTORM S ALR Motorized Tension Floor Rising Obsidian Long Throw ALR Projector screen

S Electric Tab-Tension Floor Screen Obsidian Long Throw Ambient Light Rejecting Enjoy Your 4K HD Home Theater 【New choice ALR for NORMAL THROW PROJECTOR】 Motorized projection screens are a versatile solution that allows the screen to retract back up into his casing so that the open space once occupied by a large projection surface is now available for other uses.Suitable for lumen up to 2500ANSI of NORMAL THROW PROJECTOR, presenting the best picture when the light is on, especial the WEAK LIGHT!(Not compatible Ultra short throw Laser projector!) 【Smart opening design】 In order to prevent operation errors, the power switch and the screen switch are designed separately; Provide a safe buffer leaving time when the big screen rises! The extra free gift:projector trigger (Dongle) can synchronize the projector switch, no need to control the screen switch! (Not compatible with all projectors) 【The power can be turned off after the screen is raised】 This will better save power and Risk of pinching the screen off by accidental touch by children！ 【The fully tensioned screen maintains a flat surface】 This tab-tension is designed to prevent wrinkles, curls, and creases that can be…