These devices are designed to generate shock, enabling the product to be taken off the wall. Stunt boxes are ideal for operation and help transmit short impulses, synchronizing with the current for optimum results. These devices also allow the operator to regulate the striking rate, which ranges from 3 to 30impulses/min. Features include control indicators, a transparent lid and a setup that allows for an external remote control for the detector contact, cyclic timer, etc.