NPC Quick Reference - Complete Set
All 10 NPC Polygraph Quick Reference guide sheets available as one set.
Activity Sensor Arm Pads
Pair of activity sensors for computerized polygraph systems. Utilized to detect movements of shoulders, forearms, and hands.
Vinyl Subject's Chair with Seat, Arm, and Feet Activity Sensors
Our vinyl subject's chair with seat, arm, and feet activity sensors built into the chair!