【Wide Applications】: This switch can be used for home and public places, especially suitable for office buildings and public places that require fire protection. 【EPS Power Supply】: This transfer switch adopted EPS fire power supply interface, DC12-24v can reliably long distance double point. 【Automatic and Manual】: This automatic switch not only supports automatic mode, but also can be operated by manual button, simple operation and reliable performance. 【Complete Protection Function】: This switch supports variety protection function, including short circuit, overload, phase failure and undervoltage protection. 【Easy Installation】: Reasonable structure, small size, equipped with a protective cover, the power supply is easy to install and reliable. Features: Reasonable structure, small size, beautiful appearance, equipped with a protective cover, the power supply is safer and more reliable. Complete protection function, short circuit, overload, phase failure, undervoltage protection.