GhostStop Ghost Hunting Equipment - K2 Deluxe EMF Meter With On/Off Switch
LED Magnetic Field Detector K2 EMF Meter KII Ghost Hunting Paranormal Equipment Tester Portable Counter Magnetic Field Monitor (Black, 1 PC) - Walmart.com
K2 Transceiver Kit – Elecraft
Amazon.com: K-II EMF Meter for Ghost Hunting : Industrial & Scientific