Lock Type:Key Lock Item Dimensions LxWxH:1.77 x 1.73 x 0.91 inches Material:Zinc Included Components:Lock Controller Type:Hand Control Item Weight: 128 Grams Control Method:App Part Number:4C2557GB14NYAXOAEFM Item Weight:4.5 ounces Product Dimensions:1.77 x 1.73 x 0.91 inches Size:4.5X4. 4CM Description Windows are second only to doors when it comes to security vulnerabilities in a house. They are easier to open from both outside and inside. None of this matters when people unknownly leave their windows open when not at home. So the safety of your family is likely worth this investment in our sliding window lock. Features - Material: Zinc alloy. - Made of zinc alloy, the main material is strong and durable, anti- scratch, anti- wear workmanship, easy to open the surface. - Put it on the window or door bar, open and close by the part that needs the window.< br>- thieves and from climbing the window, limit indoor ventilation, improve air circulation. - No punching installation, no punching, easy replacement, no other tool installation. - Sliding window lock can be easily applied sliding windows to give a safe environment. - Color: White. - Size: 4. 5X4. 4CM. Package Including 1 x door window stopper lock with key >About this item Made of zinc alloy, the main material is strong and durable, anti-scratch, anti-wear workmanship, easy to open the surface. Sliding window lock can be easily applied sliding windows to give a safe environment. No punching installation, no punching, easy replacement, no other tool installation. Put it on the window or door bar, open and close by the part that needs the window. thieves and from climbing the window , limit indoor ventilation, improve air circulation. See more product details Made of zinc alloy, the main material is strong and durable, anti-scratch, anti-wear workmanship, easy to open the surface.Sliding window lock can be easily applied sliding windows to give a safe environment. No punching installation, no punching, easy replacement, no other tool installation. Put it on the window or door bar, open and close by the part that needs the window. thieves and from climbing the window, limit indoor ventilation, improve air circulation.