2-pole, 8 LEDs 6 400 V AC/DC, Scale: 6 12 24 50 120 230 400V, for low voltages up to 24 V: green, for dangerous voltages from 50 V: red, with screw-contact sleeves for perfect contact in sockets, indication of polarity for DC, auto power off, no battery required, water and dust protection class IP 64, current consumption max. 25 mA at 400 V, dimensions 248 x 32 x 26 mm, CAT III 400 V