◢ 適合任何類型窗口，如頂部/中心轉動/豎鉸鏈窗，平開窗，大型天窗打開或關閉。

◢ 設計簡約 運作靈巧

◢ 通過10,000次循環性運作測試

◢ 手動或遙控開關

◢ Suitable for any kinds of window, like top / center-pivoted/hopper window, casement window, heavy skylight open or closing.

◢ Simple but delicacy design

◢ Endurance test over than 10,000 cycles

◢ Manually operated or operated by remote control