The Stoneuk ST-RR1 is a reliable and versatile wireless remote control designed for long-range RF applications, supporting both 433.92 MHz and 315 MHz frequencies. Built with durable ABS and metal materials, it features 4 control buttons and supports multiple code types, including Fixed Code, Learning Code, and Copy Code. Ideal for access control, home automation, and remote switching systems, the ST-RR1 offers a transmission range of over 100 meters in open space, powered by DC12V input. It supports NO, NC, and COM output terminals and uses the 1527 learning code system for secure pairing.