The Dalite 146 x 260" Professional Electrol Motorized Projection Screen is a large screen suitable for venues such as auditoriums, and theaters. This is a rugged screen designed for heavy-duty use. The motor is inside the roller and is supplied with a quick reversal function. In addition, it features an automatic thermal overload cutoff to prevent accidental burn-outs. The braking system is designed to eliminate "coasting".