- Secure your laptop or notebook with this innovative 4-digit password door chain, offering a keyless entry solution for maximum convenience. Set a unique password for quick access. - The durable cable chain acts as an effective anti-theft lock, providing reliable protection against unauthorized access and ensuring your device remains safe. - Easily lock and unlock your laptop with the user-friendly 4-digit password feature. Enjoy hassle-free security without the need for cumbersome keys. - Versatile in application, this door chain is perfect for home, office, or travel use, delivering peace of mind wherever you take your valuable devices. - Crafted specifically for laptop and notebook security, this lock cable chain is designed for optimal performance and durability, offering an effective solution to prevent theft. - Ideal for students, professionals, or frequent travelers, this lock is perfect for securing your device in classrooms, coffee shops, or airport lounges. - With its straightforward design and reliable functionality, this product stands out as a simple yet powerful deterrent against theft, ensuring your devices are protected at all times.