The Power Supply Unit from Ajax enables the operation of security devices using portable batteries. This accessory is specifically designed for building security and provides a flexible solution for use in various environments. The unit is available as a replacement part and ensures a reliable power supply when a conventional power source is not available. With one item per sales unit, the Power Supply Unit is easy to handle and install. It is ideal for use in areas where mobility and independence from fixed power connections are required. This Power Supply Unit contributes to the efficiency and safety of surveillance systems and is an essential accessory for anyone who values a reliable and flexible security solution.