Feature●Built-in sensor: vibration sensor detects movement during burglary attempts and releases a recurring 10 sec. Alarm off●Ready to use: volume of the alarm signal = 100 dB, replaceable batteries with long durability already installed●Security features: lock is secured against icing and corrosion, equipped with security key and cylinder●Wide application: can be used with or without alarm, ideal for securing garages, basements, gates, bicycles, motorcycles etc.●Product details: dimensions = 30 x 95 x 95 mm, weight = 427 g, hardened steel shackle, 8 mm, box contents = lock, 3 x keys, built-in batteryDescriptionclass="celwidget pd_rd_w-AQhcr pd_rd_r-X3WZRRWD68TJFG6PT1CT pd_rd_wg-JaAtP" data-feature-name="aplus" data-csa-c-type="widget" data-csa-c-content-id="aplus" data-csa-c-slot-id="aplus_feature_div" data-csa-c-asin="" data-csa-c-is-in-initial-active-row="false" data-csa-c-id="fl3o3m-t8by7t-epvcc6-y7xbjl" data-cel-widget="aplus_feature_div">