First, keep a distance of 80-100 centimeters between the two poles to ensure the formation of a good electromagnetic field. Secondly,
copy the net
and the probe
maintain balance
and put them into the water at a depth of 5-10 cm from the water surface. When pressing the switch, generally after placing it in the water, press and release it for 3-5 seconds. Secondly, the adjustment of the machine and the size of the battery
will affect the effect.