WS-P-ProScreen 4:3 240x183 cm matt white, Premium Movie Roller Screen for small to medium rooms, with high, professional aluminum housing, Camlock Stop System for secure height adjusting, Auto-Lock each 7 cm by pull out the cloth, easy roof and wall mounting, fire restistant cloth. incl. pull cord, Gain Factor: 1.2, matte white, weight: 19 kg