UNI-T UT261B Phase Sequence and Motor Rotation BR2350 Product Description: It is easy to use and more reliable. Specification: Model: UT261B AC Voltage (V): 90V?600V  ? Frequency Range (Hz): 15Hz?400Hz ? Test Current (A): < 3mA ? Features: Phase Sequence Indication LED Missing Phase Indication LED Motor Rotation Indication LED Packages Include: 1 x UNI-T UT261B Phase Sequence and Motor Rotation