Material Copper zinc alloy Brand CJSJ Model CR-28A Color Red + silver Quantity 1 Remote Controlled distance 0 Voice Decibels 0 Power Supply 0 Battery Type 0 Certification 0 Other Cable Length: 11cm; Instructions of lock; The original number of lock is 0-0-0 to set your personal combination please follow the steps: 1. Push the button in the direction of the arrow and hold it until completing the next step; 2. Rotate the dials so that your three secret numbers can't be seen; 3. Turn the dials to your desired personal combination to open the lock Packing List 1 x Wire number lock