Sper Scientific Environmental Quality Meter Review

Sper Scientific Environmental Quality Meter, EQM, Extremely useful. Essential for establishing baseline data at the start of every investigation.

Digital Sound Level Meter

Digital Sound Level Meter, DSLM, Useful piece of gear especially with computer. 

Motakata Audio Amplifier Review

The Motakata Audio Amplifier for paranormal research is very beneficial for static recorders or in use during interviews.