Bareboard Tester ( PDI ) Model:"UNISTROKE" S/N : 338 Date of manufacture:8/10/1999 Type: 2Sided, Double Density Test Points Capacity 90,624 per side Active Gride test Area 19.150" x 23.550" Board Size Maximum 25" x 36" air pressure requirements 1CFM@90PSI Power Requirements 110/220 volts 50/60 Hz