SPECIFICATIONS 110 Decibel Alarm / Siren Heavy Duty Shackle / Lock WaterProof Security Design Keys 3 Keys IINCLUDED 6 Button Cell Batteries INCLUDED & Replaceable (A76 / LR44) Battery Life approximately 2 Years (under normal use) Copper Colour for Visual Detection PRODUCT DESCRIPTION 110dB Siren Alarm Padlock – Security! – YES A Padlock With An Audible Siren Built In! Lock your valuables with this self armed LOUD (110 Decibel) Alarm – Siren Padlock Can be used as a standard padlock without Siren / Alarm being set This lock can be used as an Ordinary Padlock unarmed or armed by simply taking out the shackle and inserting it back into the lock the other way round. When the lock is armed, a single beep will be heard. Built in movement trigger for alarm function, to emit a 110 decibel alarm when the lock is tampered with, combining locking function with alarming function! Adopts MCU core procedures, high-tech integrated circuit and digital sensor chip, and powered by cell batteries – INCLUDED. HunterCo’s Siren Alarm locks are designed that when the lock is vibrated twice within 5 seconds the alarm will sound. The 5 second delay allows the lock to be opened by the key without sounding. The alarm sounds in 10 second intervals . The alarm (110dB) will keep sounding with constant movement or vibration . Once stopped the alarm will re-set after 35 seconds . This Heavy duty innovative padlock is a High Security Multi-purposeALARMlocking device system. Its uses range far and wide, and the most popular applications seem to be, but not limited to: Firearm security, Motobikes, Cycles, Bicycles, Bikes, Vehicle Security, Sheds and Garages, Doors, Gates, Caravans, Trailers, Generators, Tool Boxes, Heating Oil Tanks, Fuel Tanks, Boats, Garden Furniture, Equine Security, Stables, Shipping Containers, Retail Shops, Display Cabinets, etc Brand No Brand SKU 100104062_NP-1020351706 Model HSE