The special detachable design makes it easy to change the window opening position so you can secure it with a small gap.

Prevents baby from falling: Helps secure the window and meets ventilation requirements. The maximum window opening distance is 7 centimeters, which is much smaller than the distance from which babies could fall out of the window.

Prevents baby from opening the window: The window lock can withstand a push of 27 kg and a pull of 30 kg, so you don't have to worry about your baby opening the window and falling. There is also no concern about the window closing due to strong wind. It will not cause any damage to the window or frighten the babies.