Baby Safety Lock: 4 pcs window lockable cable, allowing ventilation without compromising child safety. Ideal for home, public and commercial applications. High quality: made from PVC, wood, aluminum and metal. Coated with MRSA repellent. Easy to install: can be easily installed on windows with four screws. Limits the distance a window can open. It can be removed from one end using the key, windows can be fully opened. Keys supplied: can be locked and unlocked in seconds, suitable for all materials: suitable for most types of windows and small doors. Screws provided 100% new and high quality The Lockable Cable Window Limiter is a simple to install device that limits the distance a window can open, ideal for home and commercial security When the cable is in place, the distance the window can open is limited. Using the key, you can remove the cable from one end and fully open the window Suitable for most types of windows and small doors Perfect for home, public and commercial applications Feature: 1. new and high quality / Universal window and door restrictor 2. Made of UPVC, wood, aluminum and metal 3. Coated with repellent 4.can be adapted to all materials 5.Can be used in hospitals, hotels, homes and schools 6. suitable for every type of opening window 7.Discourages burglars and intruders 8. Designed specifically for child safety Specifications: Type: Window door restrictor Window Style: Double Hung Screws: Included Size: 185mm Material: Zinc Alloy, UPVC Quantity: 4pcs Suitable for: UPVC, wood, aluminum and metal