Manual self-lock screen Fabric: MW or GB or Grey Format: 1:1, 4:3 or 16:9 Size: 40-200 It has self-lock system It can stop at any height
300" Large Electric projection screen 1. Size: 40-600 2. Synchronous motor or Tubular motor 3. with wireless remote control (RF and IR) 4. CE, ROHS approved
