What are the common types of window openers?

Window openers, also known as window actuators, are devices used to automatically open and close windows. The common types mainly include:

1、Manual Window Openers: Operated by a hand crank or lever.

2、Electric Window Openers: Powered by electricity, usually controlled by a switch, remote control, or integrated with a smart home system.

3、Chain Actuators: Use a chain mechanism to open and close the window.