The instrument used to eliminate or restore the magnetic properties of magnetic stripe. Main technical indicators: Usage: 1.when the need for sufficient sensitivity; to "switch" preset to "charge sensitive" locations, charge indicator light sensitivity. Books or merchandise along the apparatus across the surface of the arrow direction, the magnetic stripe will be to restore sensitivity. 3.the need to eliminate the time-min; to "switch" preset to "get rid of sensitive" position, Liang Xiao-min lights. Books or merchandise along the apparatus across the surface of the arrow direction, the sensitivity of magnetic stripe has been eliminate. Note: 1.Xiao-min filling the position should be placed 2 meters away from the detection of the door. 2, using this model Min Xiao Miriam rechargeable infrared sensors do not have control, it is not appropriate for the work should be picked off after use. 3.magnetic stripe, mobile phones, watches and other items should be afraid of magnetization away from the work of Xiao Min charge at the time of NG.