1 used for bike , scooter,waterproof 2. patent :200820164981 ... spray plastic) (electroplating)Detailed Description:Item No.: LK215-1(12mm*120cm),alarm cable lock,Patent: 200820164981.3Can be used on: bike ,scooter ... bad weather, Resistant physical destory, Waterproof .steel cable(anti cut & saw), cable diameter : 12 mm3 pcs AG13(4.5V) ... 70% before shippment)sample(western union) bike alarm cable lock