... 2.used for door, car, bike etc. 3.cable lock with adding alarm 4.soud level is 110 This Waterproof Lock is a hardened ... machinery, lawnmowers, toolboxes, gas cylinders, diesel tanks etc. 1) The lock and the alarming function are united into a whole. The ... , the battery are needed replaced.D. When replacing battery, pull the lock core out with the key, then remove those two screws ...