Thank you for viewing! Security Alarm for Doors and Windows, 100db, Crime Prevention ○ This door and window security alarm is easy to install with just a sticker and warns intruders with a sound of approximately 100db. ○ You can switch it on and off, so you can set it to activate only when you go out. ○ No price reduction. ○ Please feel free to ask if you have any questions ✨️ Security Alarm Security Goods Security Buzzer