"1 China's No.1 Projetor Screen Brand In Terms Of Sales for Five Consecutive Years.IN&VI stands behind its products and offers heartfelt customer service to guarantee an excellent shopping experience. any installation problem please contact us,We also take care of all quality-related issues with a replacement. Voice and App Control: With the Tuya APP,Effortlessly manage your electric floor rising projector screen using your voice and a convenient app, providing convenience and modern control options.Please follow the video installation. Anti-Blue Light Eye Protection: Prioritize your eye health with a built-in anti-blue light feature, reducing eye strain and ensuring comfortable, extended viewing sessions. 160 Degree View Angle: Immerse yourself in an expansive viewing experience with an impressive 160-degree viewing angle, perfect for larger gatherings and diverse seating arrangements. High-Quality Visuals: Enjoy stunning visuals with a high-resolution electric screen, providing vivid colors and sharp details for your movies, games, and presentations. Easy Installation: Simplify your setup with a motorized design that smoothly raises and lowers the screen, making it a stylish and practical addition to your home theater or office space. Warranty Description: 2 year Date First Available: November 26, 2023 Viewing Angle: 160 Degrees Item model number: Long/Standard throw 100 Inch/16:9 ASIN: B0CKMHL3CX Material: Metal Mounting Type: Floor Mount Product Dimensions: 87"W x 48.8"H Screen Surface Description: Glossy Operation Mode: Automatic Brand: IN&VI Screen Finish: Glossy Display Dimensions: 100 inches Item Dimensions W x H: 87"W x 48.8"H Screen Dimensions: 100 inches Item Height: 48.8 inches Manufacturer: IN&VI Enclosure Material: Metal"