PSI Woodworking Long Ranger dust collector switch with 110-volt, 1-1/2-horspower engine and 20-amp relay receiver * Turn on a dust collector from anywhere in the shop * Uses R.F. signal, which is not affected by outside interference by large television transformers, electrical noise, or three-phase power sources * Includes a circuit breaker in the receiver and a 5-foot power cord * Ships at 1.84-pounds