Nold Open is a small and secure Bluetooth compatible device, which connects to any kind of electronic locks: garage door or gate openers, door locks, alarm systems, pool covers and more. Connect Nold Open to your existing device and you can replace all your remotes with virtual keys on your phone! You can manage your keys using our free Android application. Grant access easily for your friends and family members. Multiple keys and devices can be added to the same app, allowing you to manage all