Place two of your sticker electrode patches on your biceps and connect the 2 red alligator clips from channel 1 (the right side of the device) to the metal nub of the electrodes. Then place two electrode stickers on your triceps and connect the channel 2 red cables to them. Finally, place one sticker electrode on the back of your hand and connect both black alligator clips (from ch1 & ch2) to this electrode.