of 4Hz, 16Hz and 100Hz selectable for use as Dr. Beck's Pulser with
built-in digital timers. Set the timer with the push of a button (30
minute increments) and the unit will beep indicating timing has
of 2128Hz, 10kHz and 30kHz selectable with a pre-programmed zapper
sequence for use as Dr. Clark's Zapper.
digital timers (10 minute increments) are also used in Colloidal Silver DC
digital timers (30 minute increments) are available for experimenting with
Colloidal Silver AC Generation.