Phase Rotation Indicator 1.Phase detection (Normal, Reverse) 2.Electricity range:AC60~ ... ~70Hz 3.1.6~16mm,ISO,CE,OEM ETCR1000C Phase Rotation Indicator Our buyers have stayed with us for 12years 12 ... : 1 Piece; Carrying case; 1 Piece. . Field Application ETCR1000C Phase Rotation Indicator --- ISO,CE,OEM services available