Dual Input Datacenter PDU - 2 Inputs, 8 Circuits, 16 Switched Outlets, 2 Un-switched, Surge Protection, Full Web Remote Control, Power, Current and Voltage Metering, WiFi, HTTPS, SSH, Lua Scripting & more Newest firmware is Echo compatible.  Switch 16 devices on 8 circuits directly. Each pair of outlets is switched. Two related devices such as a firewall and router can share a circuit.  Two unswitched outlets supply power to always-on devices Front panel switches allow immediate control for manual override, lockout, Emergency-OFF and reset. Control routers, servers, APs, home theater - and more. Battery backup keeps you connected during outages.  Enable WiFi for wireless control Auto-Ping reboots locked equipment. Two separate power cords on A/B circuits provide a total of 30 Amps (over 3,600 watts!) of power in a 2-U chassis.  SSL and multi-user password security provides secure access. Rest assured with field-proven reliability. Over 200,000 controllers are in use worldwide.