Alarm Bike Lock, Y787 Smart Alarm Lock Anti Theft Chain Lock, 4 Digital Passwords, IP44 Waterproof and Over 110dB Alarm Sound Electric Lock for Motorcycle Bicycle Gate (Blue)

【Alarm Function】Alarm immediately when the wire rope is cut or the locking screw is unscrewed. Alarm immediately when shaking or moving the lock. When the wrong password is entered three times, it will immediately call the police,The alarm sounds over 110 decibels.
【Protection Function】Alarm Lock, The bicycle lock can be used as an anti-whip. The diameter of the wire rope is 10 mm and the length is 80 cm (40 cm/1.2 m is optional).
【Smart and Convenient】Anti-theft Bicycle Chain Lock, Acombination of four-digit password without password and 256 passwords. Lock/unlock button operation without any keys.
【Waterproof Certification】Anti-Theft Chain Lock , IP44 waterproof certification, suitable for indoor and outdoor use. It can be used normally in the temperature range of -10 to +60°C. Ideal for rainy and snowy days.
【Wide Range of Applications】Smart Alarm Lock, An excellent bicycle safety tool, it can also be used for motorcycles, doors, entertainment venues, terrace barbecues, outdoor furniture, etc.

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