Key features

• •⚡【80db Alarm】Press the red button for alarm setting, 80db alarm will be issued when vibration is received. Its alarm feature should do a great job scaring off thieves. (80db can be considered the sound of a busy road with cars.)
• •⚡【Strong Cut Resistant】Square link chain is made of triple-heat-treated manganese steel, providing maximum strength and strong resistance against prying and cutting. It offers reliable protection wherever you park, making it much safer than many other chain locks on the market. The chains come with a soft, durable canvas sleeve that reduces wear and noise.
• •⚡【3 Double-bitted Keys】Made of hard and durable stainless steel, never bend or twist or wear out and difficult to duplicate. Anti-theft lock cylinder design, the key can only be pulled out after locking to prevent key loss. One for daily use, the others are self-assigned.
• •⚡【Replaceable Batteries】8pcs LR44 batteries are required which lasts for 5 months use (opened twice daily). Unlike mobile phones, which have to be powered and complicated to operate, they can't be used if interfered.
• •⚡【Specification】Length 1200mm/47in, width 38mm/1.5in, thickness 10mm/0.4in. Weight:6.6lb/3kg(0.8gallons). 4-feet long enough to lock 2 motorcycles together. Package Includes: alarm chain lock, key*3pcs, instruction manual, screwdriver, carry box. Ideal for bikes, motorcycles, scooters, moped, doors etc.