Ubiquiti mFI-CS Current Sensor for mFi Networks Controller Type: Current Sensor Color: White Specifications: Ports: (1) mFi RJ45 Port Input Current: 0 to 100A Core Material: Ferrite Bobbin: Nylon Mechanical Strength: Number of Switching Operations = 1000 Times (Tested at 20° C) Dielectric Strength (Between Shell and Output): 6000VAC/1 min. Fire Resistance Rating: UL94-V0 Operating Temperature: -25 to 70° C Operating Humidity: =85% Condensing Dimensions: 2.24 x 1.26 x 0.87 Weight: 0.11 lb.