MAIN FEATURES OF THE 640C
Reduced size receiver
Checkered grips on the handheld transmitter
Non-Stimulating High Performance Pager
Enhanced Contact Points
Rheostat/volume style with stimulation levels 0~127
600 m range
'Nick' and 'Constant' stimulation
Fully waterproof
LCD screen
Belt clip
2-hour rapid charge batteries
34
OVERVIEW
Antenna
Rheostat
intensity dial
Indicator
light
(LED
window)
Pager
button
On/off
switch
LCD
screen
Transmitter
Nick
button
Constant
button
On/off
magnetic
Battery
red dot
charging
receptacle &
rubber plug
35