Suitable for top/center-pivoted/hopper window, casement window ,heavy skylight open or closing ;

Simple but delicacy design

Fixed and movable installation suitable for kinds of window type;

Smooth and strong output;

Electronic overload cutoff;

Use control box to operate synchronously;

Endurance tests(30,000 cycles)are carried out;

Strokes can be tailor-made as requirement;

Standard col is grey and col can be tailor-made;