alarm shackle lock

Lock Features:
.110db alarm
.Auto-alarming system & locking system
.Can be used alarmed or unalarmed
.Removable Alarm Module
.Dual Shock & Movement Sensor
.Corrosion Resistant
.Ice Spray Proof & resistant against salt and hard weather
.Anti twist shackle
.Anti Drill
.Anti bumper prevents scratching
.Key arming
.Hardened Stainless steel shackle
.Hardened Zinc alloy body
Dimensions:
.Height: 20.5cm
.Width:10.5cm
.Depth:3.2cm
.Shackle diameter: 10 mm
Key specs:
.2pcs Maximum Security keys
.Additional keys available
Battery specs:
.6pcs AG13 batteries
.Additional batteries available
Packing specs:
.1pc alarm bike lock
.12pcs AG13 batteries
.2pcs keys