KEEP YOUR CHILD SAFE - You'll have peace of mind knowing your little one can't wander outside as soon as you turn your back. Our sliding door locks limit and block the opening of sliding doors and windows to keep your little one safe inside. MULTI ROLE - These door locks work well on most wood surfaces, glass, plastic and metal. You can protect your patio, closet, shower, storage, and entertainment center sliding doors as well as your sliding windows. Your little one can explore without hurting themselves. PREMIUM QUALITY - The sliding door lock is made of heavy duty metal with impact resistant rubber, durable and reusable. THE CHILD PROTECTION BECOMES EASIER - Baby locks can be easily handled by adults. These captures are completely child resistant. They guarantee your child's safety and your peace of mind. EASY TO INSTALL - Our door locks are very easy to install. Simply clean the area for the lock, without tools. The adhesive adheres well and is easily removed without damaging the surface. Description: This product is designed for horizontal sliding windows for added security. Set the corner of the window to a secure, anti-theft opening. Both are used to keep window closed and partially open, adjustable length with button for easy operation. 1. High security locking sliding window tool 2. Instantly lock sliding doors and windows - no drilling or tools required 3. Place on window or door track and tighten thumb screw; lock or allow partial opening 4. prevents the window from being forced or forced open from the outside; easy removal and reusable Material: zinc alloy Dimensions: as shown in the figure Latch adjustment distance: 8.8 - 53.4 mm Features: resistant to prying eyes, not obstruct the screen window, ventilation limit. Package includes: 2 Limit Lock & 2 Key Note: 1. Please allow 1-2cm error due to manual measurement and make sure you do not mind before ordering. 2. Please understand that colors may exist chromatic aberration as the different placement of pictures. 3.Please pay attention to the window gap size before purchasing.