This strong, tough security alarm padlock is perfect for securing your garden building to protect your belongings. If youve got a shed that you want to keep safe then this padlock is the perfect choice. When the padlock is tampered with by an uninvited person an alarm sounds to scare them and let you know that theyre there. The alarm sounds for 10 seconds approx. The padlock features a key slot underneath and it comes with three keys. This is a perfect lock for protecting your valuables.