... deformation, no color, wear-resisting.* Way of alarm: Acousto-optic alarm. * Can be compatible with all kinds of EM labels and ... strips such as 3M,Meto, ect. * Microprocessor control technology, high sensitivity with above 98% detection rate, small blind area. * ... stability, strong anti-electronic jamming ability, can also protect products with aluminum foil, foil package. * Meet the ultra-low ...