ZhouDaShu Adjustable Window Lock Bars Vertical, Small Window Bars Security Inside, Window Locks for Up and Down Windows, Window Ac Unit Ssecurity Bars Extends from 9.8-16.7 in -Black (Steel 4 Pcs)

We also have longer models of window locks bars (16.3-29.3 in) available for purchase B0BLGJJH1V, B0BLGTT179, B0BLGT7FCH.We have 1 PC/2 PCS/4 PCS for you to choose, economical and practical.The window locks security can withstand repeated impacts on forced entry, effectively stopping burglars from entering home through sliding glass windows or patio doors. The window guards for children can also prevent children from falling from the open windows, ensuring the safety of children/family. The window safety guards for home security offers 7 adjustable lengths for you to control the window, just push the pin to lock the height in place, the length of the window stopper can be extended from 9.8"" to 16.7"", fits most standard window tracks. The window bars security inside are made of high-quality steel, which is stronger and more durable than other similar products. Installation instructions:1、For horizontal sliding windows, you can tape the window lock safety strip directly to the window frame, which will prevent the window from being opened; if you have a taller window, you can tape another window lock safety strip to the top of the window frame, which will balance the top and bottom. 2、For vertical windows, you can tape the end of the window stopper that has a protruding part, and then let the window lock safety bar stick to the top edge position of the window frame; to prevent the window stopper from falling, it is recommended that you tape the back of the window lock safety bar as well, and then stick the window lock safety bar to the window frame on one side of the window. If you have a long window, you can tape the window lock safety strip to both sides of the window frame for left-right balance. Note:Please measured your window or door track before purchasing! The window blocker security is 1 inch wide so that make sure your window or door track must be at least 1 inch wide. Note:Please confirm your window size before buying our adjustable window security bar to avoid unusable situation. This window bars security inside is suitable for small windows, if your window is bigger, you are welcome to enter ZhouDaShu store to buy another longer window lock bar.

• 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