1.The inner is equipped with a patented ultra-quiet and powerful gear motor.with the inside the strengthen steel wire synchronous belt drive.

2.Electronic limit switch，can free to run or stop and alter the running direction；

3. Built-in receiver box, no external receiver;

4.With serial number and random RAM ,in addition to the matching remote control, the same type of remote control are available to achieve its humanity.

5.Maximum load capacity:90KG

6.Noise index :15dB

7.Be widely used to all straight windows and L-shaped windows of home , office building ,restaurant ,hotel ,hospital ,recreation shop, etc. left opening ,right opening. and centre opening are available as per necessary.

8.Control mode: remote control , switch control.