Features Cut cable remove the battery cover key in wrong password detected vibration three times wrong code will activate alarm The steel cable can be used as self defense whip Alarm sound up to 110dB can effectively frighten the thefts Programmable 4 digital password up to 256 kinds of passwords group almost no possible to crack the password Easy operation no need keys Low battery indicator which makes you replace the battery promptly IP44 waterproof grade can use both indoors and outdoors Specification Material ABS plastic wire ropePower 3 AAA alkaline batteries not included Cable Chain length Approach 120cmWorking temperature 10℃ 60℃Storage temperature 20℃ 80℃Color BlackProduct weight Approach 286g 10 1oz Package Includes 1 x Digital Chain Smart Lock battery not included 1 x User Manual Details Pictures