Features: 1.Alarm immediately when shaking or moving the lock. 2.Alarm immediately when cutting steel ropes or removing lock screws. 3.Alarm immediately if you mistype your password three times. 4.The sound of alarm is over 110 decibels, which can effectively deter thieves. 5.Four-digit passwords with 256 groups of password combinations. Specification: Features:_x000D_ _x000D_ Alarm immediately when shaking or moving the lock. _x000D_ Alarm immediately when cutting steel ropes or removing lock screws. _x000D_ Alarm immediately if you mistype your password three times. _x000D_ The pulled wire rope can be used as a defensive whip. _x000D_ The sound of alarm is over 110 decibels, which can effectively deter thieves. _x000D_ Wire rope diameter 10 mm, length 80 cm. _x000D_ Four-digit passwords with 256 groups of password combinations. _x000D_ Lock/unlock button operation, no key required. _x000D_ Three AAA batteries are powered by standby mode for more than 8 months and have low power indication function. _x000D_ IP44 waterproof certification, suitable for indoor and outdoor use. _x000D_ Can be used normally at temperatures ranging from - 20 to + 60 . _x000D_ _x000D_ Specifications:_x000D_ Power Supply: Three AAA Batteries (Not Included)_x000D_ Battery life: Standby mode, about 8 months or more_x000D_ Size of steel rope: diameter 10 mm, length 80 cm_x000D_ Working Temperature: -20 ~+60 _x000D_ Storage Temperature: -30 ~+80 _x000D_ Size: Approx. 9.2 x 5.5 x 3.4cm/3.6 x 2.2 x 1.3in_x000D_ Package Weight: 292g/10.3in_x000D_ _x000D_ Package List:_x000D_ 1 x Lock (Battery Not Included) _x000D_ 1 x User Manual