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 rope
Power: 3 *AAA alkaline batteries(not included)
Cable(Chain) length: Approach. 120cm
Working temperature: -10℃~+60�?br data-filtered="filtered" /> Storage temperature: -20℃~+80�?br data-filtered="filtered" /> 
Product weight: Approach. 286g/10.1oz

Package Includes :

1 x Digital Chain Smart Lock(battery not included)
1 x User Manual