the ace store Anti Theft Motion Sensor Alarm Lock for Home, Office and Bikes with High Security Safe Locker  (Key Lock)

Ideal for sheds,caravans,gates,bikes,motorcycles etc.,Pick resistant keyhole,Batteries not accessible when locked,Padlock measures approx. 122mm (4.75 inches) high,Weatherproof,Long life batteries included and pre fitted,3 special cut keys.To set the lock alarm simply remove the shackle,turn it round and push the shackle into the housing and turn the key. The unit will emit a short bleep to indicate that the alarm is activated. If the padlock is disturbed,it will activate the full alarm. Batteries should last over 2000 ten second alarms