This Aiphone JK-1HD video intercom is a great addition to your indoor or outdoor security system. With DC18V power, this sub station monitor easily connects to your existing system and allows for clear communication with visitors. Its durable design makes it suitable for both indoor and outdoor use, and its compact size ensures that it won't take up too much space. Whether you're looking to upgrade your home security or improve your business's access control, this Aiphone video intercom is a reliable and efficient choice.