◆ 可附帶以下功能或附件： Optional with the function or accessor as follows:
→ 通斷帶電位器輸出功能 On-off with linear potentiometer ouput
→ 通斷功能帶正反轉(zhuǎn)信號和電位器輸出（無刷直流工具專用） On-off with Reversing signal indication and linear potentiometer ouput (Special for DC brushless applications)
→ 通斷功能帶正反轉(zhuǎn)霍爾信號和電位器輸出（無刷直流工具專用） On-off with Reversing hall signal and linear potentiometer ouput (Special for DC brushless applications)
→ 可選帶閉合鎖定 Optional with Lock-on button
→ 帶軟膠扳機(jī) Trigger coverde with rubber (overmolding)
