DIY Supplies: ElectricalAccuracy Class: 0.1Designed to check the phase sequence.With LEDs to show if the phase is open not, Suppts Buzzer indication.Highly reliable, can check a large of 60V to 600V AC three-phase.With Alligat Clips, easily involve the terminals of the control panel, guaranteeing reliability safety.Small, light ptable, convenient f using.Operation Voltage: 60V-600V AC, three phaseLimit Suppt Voltage: 2000V/minute (Impulse voltage 4000V)Operation Frequency Range: 20Hz-400HzLimit Time f Continuous Use:60 minutes maximum at 200V AC4 minutes maximum at 600V ACPhase Sequence Indicat LED:Green f crect phase sequence, Intermittent BeepRed f reverse phase sequence, Continuous BeepTest Leads:Double insulation, Approx. 80cm cable lengthYellow f U phase (L1. R)Green f V Phase (L2. S)Red f W phase (L3. T)Net Weight: 136gcolour: Photo ColMaterial: plasticSize: 8 x 6 x 2.4cmPackage Contents:1 x 3 Phase Sequence Tester3 x Alligat Clips1 x Pouch1 x User ManualOnly the above package content, other products are not included.Note: Light different displays may cause the col of the item in the picture a little different from the real thing. The measurement allowed err is 1-3cm.