?【WIDE USAGE】: It ensures your family members safety,can control the window partially open or closed,effectively reduce the risk of children and pets falling from high windows,by locking your windows, it can also protect your property against damage during heavy rains and hurricanes.also, it prevent burglars and thieves.This sliding window lock for home,bedroom, kindergarten, office,etc-,?【Security increase】Child Proof Window Locks, Add the Secondary Security: A must-have window lock for partially opening windows and for keeping curious child or pets from potentially falling outside. giving you a peace time as you let in the outdoor. They offer an almost unnoticeable look. Even if your child greatly slammed the windows over them, window locks childproof will stand still without damaging the doors. Window latches are ideal for guarding your home.-,?【 Kind reminder 】Check Your Window Track Size Before Ordering:(your window width tracks should exceed 0.46 in). Ideal for sliding windows, vertical or horizontal, put this type of window lock on the tracks to stop them from opening. Made of hard nylon-,?【 Product Comparison 】 The screw fixed window lock is not easy to fall off, providing more effective protection and safety. (Aluminum alloy with a key is easy to fall off, and they will become loose after being hit hard, making it easy for children to hit their heads when passing by.) This screw installed Nylon limiter is a concealed installation, which is sturdy, durable, and guaranteed, The product is worthy of trust-,?【PACKAGE INCLUDES】:10 window limiters, 20 screws,Detailed dimensions are shown in Figure 2, Great thanks for choosing us-