The opted rctd-20u wireless annunciator system is a wireless detection and alarm system that can transmit signals up to 2 000 feet. This system is the most effective perimeter alert system available and is ideal for your home and is commonly used for... more
Free Express Shipping! OptexWireless 2000 Driveway/Entry Annunciator & Sensor Kit For Commercial & Residential Use, Transmission Range of up to 2000', Receiver Works with up to 9 Transmitters, IP54-Rated Sensor Transmitter Housing, 17' Wide or 50'... more
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