2,Easy to operate.Noextra accessories needed
3,Self-locking device for reliable and safeoperation
4,Convenient to pull and extend,easy to be adjusted to anyinterval to fit variety of projection formats
5,Available in cailing mountand wall mount
3,Self-locking device for reliable and safeoperation
4,Convenient to pull and extend,easy to be adjusted to anyinterval to fit variety of projection formats
5,Available in cailing mountand wall mount