Descirption: 100% new and high quality 4 digit password protection Works with all notebooks, desktops, docking stations with built in standard security locking slot hole Secures your laptop / notebook onto any stationary object [ex. Desk, poles, etc.] and prevent it from theft The T-bar mechanism bar allows popular utilization of this lock Simply loop your laptop around a stationary object with the cut-resistant galvanized steel chain Protect your notebook computer and its valuable data with this affordable computer lock Easy installation Cable Length: 3.3 FT / 1.1M Color: Silver Instructions For Use: Push the number-adjusting rod of lock inward (the original number is 0-0-0-0 ) Set your secret combination by turning the dials Decontrol number-adjusting rod and let it to return to the original position Open the lock again now you new personal code set Make sure you note your code carefully and check that the lock functions correctly If you want to change to a new combination ,repeat the above steps Also suit to a travel bag Quantity: 1 pc Note: Transition: 1cm=10mm=0.39inch No retail package. Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: Notebook Security Lock*1