Features: Compact: The lock hole is compact and lightweight, which is portable and will not cause much burden for your digital device. Practical: The lock hole can be used to lock your digital device and the safety in public situation. The lock wire is not included. Easy to install: The lock hole with sicker is easy to install, no need of complex process and other tools. Durable: The lock hole is made of high material, which is wear resistant, touch and durable, owning long using life span. of application: The lock hole is widely suitable for laptop, phone, , shop and so on. Installation: Clean the laptop surface with the alcohol pad. Tear off the sicker back film and the lock on the laptop by the sticker. Press the fixed lock for 2-5 minutes. Wait for 24 hours and then to use it . Specification: Type: lock hole Product size: 42 x 20mm Keyhole size: 7 x 3mm Material: colour: black Package Contents: 5 x lock hole 5 x viscose 5 x alcohol cotton Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.Products from GuanGuan's store