The opening type daylighting covers two kinds of forms on the method ：

　　一、 Manual opening type 　　二、 Electronic opening type

Electronic opening type project method

　1 、 The skylight opens the height not to exceed 400mm (three phases ) / 300mm (single-phase ) .

　2 、 A point of two kinds of push rod ：① Three-phase electrical machinery: Voltage 380V, power 90W, electric current 0.4A;

　　　　　　　　　 　　　　　　　　　　　 ② Single-phase electrical machinery: Voltage, power, the biggest electric current 1A.

　3 、 Suitable for various forms , such as concrete roof beam structure and steel frame structure ,etc..