About This

• NOTE: Before purchasing our adjustable window security bar, please check your window size to avoid not being able to use it. The internal anti-theft device of this window security bar is only suitable for small windows (windows up to 16.7 inches in length). If you have a larger window, you are welcome to enter the ZhouDaShu store to purchase another longer window locking bar (window length up to 29.3 inches).
• Keep your family and children safe: The window jammer security bar can control the window to partially open or close, effectively reducing the risk of children and pets falling from high windows. The window safety bars also allows you to keep the window open a small part when you sleep with the air conditioner on, enjoying the air circulation while ensuring safety and keeping intruders out
• Adjustable Design: The window brace security bar can extend from 9.8" to 16.7" with 7 adjustable lengths to choose from. The window ac locks can withstand repeated impacts of forced entry, effectively preventing the window or door from being opened unsafely
• Easy to use: You just need to put the window blocker security directly across the window rail or door rail after adjusting the length of the window jammer security bar to fix the window or door, tool-free installation and removal. For vertical windows, you will need to prepare your own Velcro or screws in order to secure the window safety locks to the window frame
• Safety is priceless: The basement window stoppers is made of high quality steel, more durable than other plastic or PVC products to withstand the impact, more thick and durable, not deformed and rusty, indispensable window security guards for families
• Measure before purchase: Please measure the window or door rail where the window safety bars will be placed before you purchase. The window must be at least 1 inch wide and no more 16.5 inches long to accommodate