2 Pack Universal Security Siren Alarm Lock with 3 Keys, 110 dB Anti-Theft Securi

• Material: The handle of this lock is made of stainless steel while the body is made of zinc alloy, which makes it durable to use outdoors. With this lock, you can keep your belongings safe while you are away and prevent theft.
• 110dB Sound: Keep your belongings safe with the Alarm Lock. This theft-deterrent alarm has a built-in siren device that emits a loud 110dB alarm up to 100 meters, making it difficult for would-be thieves to break in.
• Two Models: Alarm Lock is a security system that uses a two-state mechanical lock and built-in alarm to protect your belongings. The low false alarm rate ensures that you won't be disturbed while you're away, and the low power consumption means you'll only use the minimal amount of battery to keep your security system running.
• Application: Alarm Lock is the first and only alarm lock that doubles as a theft deterrent. It can be used on doors, windows, bicycles, containers, motorcycles, tricycles, sliding doors, gardens, etc. to secure them from unauthorized entry. Once activated by an intruder's attempt to open the lock, the alarm will sound and send an alert to you.