The RCTD-20U or “Wireless 2000” from Optex is a wireless annunciator system that not only alerts shop owners to customers entering their store, but also can provide driveway annunciation and perimeter awareness. The Wireless 2000 includes an outdoor rated PIR detector, as well as an R.F. receiver that can hold up to 9 detectors and chimes when the sensor detects motion. The R.F. receiver also features a Form C relay for activation of a variety of electronic equipment. Additional accessories can be added, including the TC-20U wireless door / window contact, TS-10U wireless push button transmitter for notification or activation applications and TR-20U repeater for applications where extended range between Wireless 2000 devices is necessary. Whether for home or business, indoor or outdoor, the Wireless 2000 is the ideal choice for perimeter awareness and wireless remote control.