Voltage Rating: 100 - 600 VAC (10 - 400 HZ) Nominal For Phase Presence Indication, Amperage Rating: 18 MILAMP Maximum Consumption, 3 Ph Phase, Temperature Rating: 5 - 131 DEG F Operating, -4 To 158 DEG F Storage, Display: Neon Lamps And LEDs, Dimensions: 6 IN Height X 2.8 IN Width X 1.4 IN Depth, Phase Rotary Field Direction: 1 - 600 VAC (2 - 400 HZ), Determination Of Motor Rotation: 1 - 600 VAC (2 - 400 HZ) Requires Greater Than 1/2 Turn, Over Load Protection: 550 V (Between All Terminals), Fuses: 5 X 20 MM, 200 MILAMP/250 V Fuse, Battery: (1) 9 V (IEC 6LR61), Weight: 6.4 OZ (Including Battery), Includes: Carrying Case, Alligator Clip Leads, (1) 9 V Battery, Operating Instructions, Meets IEC-1010 (EN61010) Safety Requirements, CE N12966, CAT III 600V