GAI-Tronics Desktop Multi-Party Station 120 VAC Power Input The Gai-tronics desktop multi-party station has lots of useful features, very few multi-party stations offering all these features, desktop multi-party station particularly design for Division 2 & Non-Hazardous Areas, Noise-Canceling Microphone and other features like Remote Amplifier make it different. Features Noise-Canceling Microphone Non-moveable Hookswitch Reading Aid Appropriate Handset Remote management Amplifier 12 W Presenter Amplifier Important Presenter in Part With Amount Control For Category 2 & Non-Hazardous Areas 5 Celebration Line Selector Switch