* Frame:  width: 136mm; thickness: 1. 8mm

* Prism: width 126mm; thickness 1. 5-1. 6mm (with 9 strengthen rib inside)

* Driving shaft: diameter of 25mm

* Driving component: Industrial Nylon (American Dubon)

* Stop time: 1-99 seconds

* Weight:   25kg/square meter

* Power: 220 V, 50Hz, 90W;

* Electric Consumption: 1 killowatt

* Control System: Digital Intelligent Control System

* Wind resist, cold resist function

* Life span: 10 years, 16 hours /day operation based on qualified installation