Bike Cable Lock 1.cable lock with alarm 2.used for bicycle and bike 3.rainproof and weatherproof 4.110dB soud level Introduction: This Bike Cable Lock is ... . 4) When replacing battery, open the lock with the key, remove the two screws beside the lock hole, take out the rubber washer ... ; 7) Resistant corrosion, resistant bad weather, resistant physical destory, waterproof; Bike Cable Lock with Alarm