_x000D_4 digit password protection_x000D_Works with all notebooks, desktops, docking stations with built in standard security locking slot hole_x000D_Secures your laptop / notebook onto any stationary object [ex. Desk, poles, etc.] and prevent it from theft_x000D_The T-bar mechanism bar allows popular utilization of this lock_x000D_Simply loop your laptop around a stationary object with the cut-resistant galvanized steel chain_x000D_Protect your notebook computer and its valuable data with this affordable computer lock_x000D_Easy installation_x000D_Cable Length: 3.3 FT / 1.1M_x000D_Color: Silver_x000D_ _x000D_Instructions For Use?_x000D_Push the number-adjusting rod of lock inward (the original number is 0-0-0-0 )_x000D_Set your secret combination by turning the dials_x000D_Decontrol number-adjusting rod and let it to return to the original position_x000D_Open the lock again now you new personal code set_x000D_Make sure you note your code carefully and check that the lock functions correctly_x000D_If you want to change to a new combination ,repeat the above steps_x000D_Also suit to a travel bag_x000D_