Features: Compact: The lock hole is compact and lightweight, making it portable and easy to carry without adding significant weight to your digital device. Practical: The lock hole can be used to secure your digital device in public settings. Lock wire is not included. Easy to install: The lock hole comes with an adhesive sticker for simple installation without the need for complex procedures or additional tools. Durable: Made from high-quality materials, the lock hole is wear-resistant, sturdy, and built to last for extended use. Wide application: Suitable for use with laptops, phones, stores, and other devices or locations requiring added security. Installation: Clean the surface of the laptop using the included alcohol pad. Remove the backing film from the adhesive sticker and attach the lock hole securely. Press firmly for 2-5 minutes. Allow 24 hours for full adhesion before use. Specification: Type: Lock hole Product size: 42 x 20mm Keyhole size: 7 x 3mm Material: Not specified Color: Black Package Contents: 5 x Lock hole 5 x Viscose pad 5 x Alcohol wipe Note: Light reflection and differences in display screens may cause slight variations in color compared to the actual product. Measurement may vary by +/- 1-3cm.