110dB Smart Waterproof Password Bicycle Lock Anti theft Alarm Lock Batteries Not Included

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