The Vertiv Geist Rack Transfer Switch VA4N1100 is a versatile rack power distribution unit (rPDU) with a transfer switch. It is a 15A, 120V, single phase, unit level monitored rack PDU with 10 NEMA 5-15R outlets and dual input NEMA 5-15P plugs providing 1.4kW in max power capacity. The RTS provides redundant power to single corded devices and helps ensure continuity in the event of power loss. It can quickly detect power loss on the main source and automatically switch it to the secondary source in 4 to 8 milliseconds.The Interchangeable Monitoring Device provides unit level remote power monitoring, as well as environmental monitoring capabilities with the addition of optional sensors. This TAA-Compliant Vertiv RTS comes with a standard three-year warranty, which can be extended to five years if registered within 120 days after purchase.