Case is metal with plastic side panels; power reqiurements are 100v AC or 120v AC or 220v AC or 240v AC , switch selectable on rear panel, 50/60 hz, 20 watts; 6.250 in. W; 7.250 in. H; 5.000 in. Depth; 4 diget hexadecimal display; accessories supplied w/tester, model sp-1 signature probe 1; operating temp rng 0 to 50 degrees c; portable
