Product name: Reflective chain lock Material: Zinc alloy + metallic chain + nylon+reflective cloth hide Weight: Password lock --- About 226g / Key Lock --- About 240g Length: Password lock --- About 72cm / Key Lock --- About 75cm Applicable: Bicycles / electrical cars / scooters / motorcycles, and many others Features: 1 A3 metal galvanized chain 4mm thick diameter, stable and durable 2 ABS wear-resistant lock shell, zinc alloy lock core ABS wear-resistant lock shell, zinc alloy lock core,enhanced security protection 3 High-brightness reflective fabric cover High-brightness reflective fabric cover, Ensure using safety,wear-resistant and durable, would not harm the bike paint 4 Key Passowrd Two Styles Available Key genre and password style are available in want in step with your wishes 5 Easily Stored And Bundled At Will Wrap around the car body at will,making it more handy to travel with the Bike Password atmosphere and modification: Note: After replacing the password, please take a phototo reserve it Password atmosphere Step 1 Password lock preliminary password is 0000, and then separate the chain lock Step 2 Prepare to set a brand new password After opening, preserve the quantity plate still and rotate the lock cylinder shaft 90°clockwise Step three Set a new password After completing steps 1 and 2, turn the quantity dial and alter the numbers to align with the protruding facets at the lock body to set a brand new password Step 4 Confirm password Align the four-digit dial of thenew password with the protruding point at the lock body, then flip the lock cylinder shaft 90° counter clockwise to set the new password efficiently Step 5 Complete the locking Confirm back whether or not the quantity at the rotating disk is in keeping with the sticking out level on the lock body, after which completely insert the lock rod into the lock cylinder to complete the locking Step 6 Notes After setting the new password,please bring it to mind and take a photograph to save it turn the quantity plate at will Every timeyou "open" or "close" the lock,the new password number you set should be aligned with the sticking out point at the lock physique earlier than you can "open" or "close" it