The Vertiv Geist Monitored Rack PDU family delivers reliable power distribution with the ability to monitor input power to plus or minus 1 percent accuracy and provide environmental monitoring capabilities. The upgradeable, hot-swappable IMD enables seamless upgrades and replacements. Fault-tolerant daisy chaining can link up to 40 devices to provide redundancy. All units come with patented U-Lock receptacles to prevent unintentional dislodging of power cords. Vertiv Geist Monitored Rack PDUs come with VLC, which enables fast, secure communication with mobile devices. All units are individually tested, with no batch tests, and UL-listed, meeting an important requirement for many data centers and insurance providers. All Vertiv Geist Monitored Rack PDUs come with a standard three-year warranty with an automatic upgrade to five years if the product is registered within 120 days of purchase. More from the Manufacturer