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Спецификация:
material : zinc alloy body
Name : alarm disc lock 
Can be used on: 
Motorcycle ,bike, etc 
Lock Features: 
105-110 db alarm sound 
Auto-alarming system & locking system 
Can be used alarmed or unalarmed states 
Automatic alarm reset 
Shake、shock、move or vibrate sensor 
Resistant corrosion , Resistant bad weather, Resistant physical destory, Waterproof . 
Lock pin diameter : 7.0 or 5.5mm 
6 pcs button batteries (digital watch style), battery life:4-6months 
Specification(cm): 7(height) X 9(width) X 3.9(depth) 
2pcs brass security keys(flat or round shape, also depend on customer reqirement)  
6pcs AG13(4.5v) button batteries.( extra a set of batteries is available) 
Package: blister with card , double blister, color box 
Carton size: 29*24*30cm (24pcs/ctn, G.W./N.W.: 17/16KGS)