photoelectric door opener

例句：

1. 1.This photoelectric door opener can be used to open the door automatically when you are not at home.
   这个光电门开启器可以在你不在家时自动打开门。
2. 2. The new photoelectric door opener has a more user-friendly design.
   这款新型光电门开启器设计更人性化。
3. 3. The photoelectric door opener is an essential security feature in modern homes.
   光电门开启器是现代家庭中必不可少的安全特性。