(Adjustable Locking Positions): Choose from multiple lock points to control access based on your needs,the sliding door patio lock goes from full lockdown to limited opening for safety. (Fresh Air Without the Risk): Enjoy fresh air safely with the slider door lock. Two preset openings at 2.69 and 5.56 inches let you ventilate your space without leaving your door unprotected. (Top or Bottom Mount): Install the sliding door security lock on top for child safety or at the bottom for convenient footbolt operation. Easily lock or unlock with a quick button press. (Built to Last): The glass sliding door lock features a stainless steel shaft and heavy duty metal plate for long term durability and smooth operation. (Easy Setup): Includes mounting plate, sliding glass door lock, screws, and simple instructions, everything you need for quick installation. Sliding Door Child Safety Lock for Glass Doors and Patios Protect your loved ones without sacrificing fresh air or convenience. This sliding door child lock is designed to secure your sliding glass door, patio door, or balcony door while allowing for controlled ventilation. With adjustable locking positions and both top and bottom mounting options, it’s the ultimate sliding door lock for child safety. Built for versatility, this slide door lock features two preset airflow openings at 2.69 and 5.56 inches, letting you enjoy ventilation while keeping your home secure. Choose from full lockdown or limited opening—ideal for keeping children safe or deterring unwanted entry. Whether you're looking for a sliding patio door lock to enhance home security or a child proof sliding glass door lock to protect curious toddlers, this product fits the need. Mount the lock at the top for child protection or at the bottom for convenient foot operation. The push-button design makes locking and unlocking quick and easy for adults, yet safe for children. Made with a durable stainless steel shaft and a metal mounting plate with a clean white finish, this sliding glass door child safety lock is built to last. It installs easily with the included screws and user-friendly instructions, making it a hassle-free addition to your home. Key Features: Adjustable locking positions for full security or limited airflow Two preset ventilation openings: 2.69 inches and 5.56 inches Top or bottom mounting for child safety or foot access Durable construction with stainless steel shaft and metal mounting plate Easy push-button operation for adults Simple installation with included hardware Whether you need a sliding door safety lock for child, a sliding glass door security lock, or a cerradura para puerta corrediza, this solution offers peace of mind without sacrificing functionality. Choose this reliable lock for sliding door today and keep your home both secure and comfortable.