With a gain of 3.0 and a contrast of 400:1 this material will allow your image to be seen both in daytime as well as night time. The item "36x60 Rear Projection Screen Material Film Adhesive Backing STOREFRONT WINDOW AD" is in sale since Wednesday, September 15, 2010. This item is in the category "Consumer Electronics\TV, Video & Home Audio\TV, Video & Audio Accessories\TV & Video Accessories\Projection Screens & Material". The seller is "217007" and is located in Mount Vernon, Illinois. This item can be shipped worldwide.