Wall mounted Manual projector White Screen with self-locking device

 Manual Wall mounted projector Screen with self-locking device                               Features:   1,Ideal for classroom or small to medium sized groups
2,Easy to operate.No extra accessories needed
3,Self-locking device for reliable and safe operation 
4,Convenient to pull and extend,easy to be adjusted to any interval to fit variety of projection formats
5,Available in cailing mount and wall mount   Views:            Details:     Package:     Produce Procedure:                           About us:                         Certificates: