Mazur Instruments PRM-USB Geiger Counter 3.5mm to USB Cable, 1.8m Length $29.00 B006T6T398
Mazur Instruments PRM-9000 Geiger Counter and Nuclear Radiation Contamination Detector and Monitor, 0.001 to 125 mR/hr Range, +/-10 Percent Accuracy $547.40 B008TVSQU8
Mazur Instruments PRM-AC-INTL International AC Adapter with 58" Cable and L-Type DC Plug, for PRM-8000/9000 Geiger Counter and Nuclear Radiation Monitors $19.99 B00BT3ZLHE