... the outline of the body,and over the left hand,the left leg,and move from the left ankle ... the right ankle,then along the right leg and hand up to the right shoulder,from the neck move ... sound is produced when detecting human body without any metal stuff because the detection distance is less than the ... -60mmOne coin:75-100mm6 inches knife:160-180mm64 model hand gun:180-195mm Note:1.Be sure to switch ...