This device features a powerful 30A relay and a 1-channel receiver, ensuring reliable operation over a wide range of voltages. Easy Installation: The system is user-friendly, allowing for quick and straightforward installation without the need for professional help. Enjoy the convenience of wireless control right at your fingertips. Versatile Compatibility: Designed to work efficiently with various types of garage doors and gate systems, making it a universal solution for your access needs. [Signal]Wireless signal can pass through walls, floors, doors or . You can use two or more units in the same place. You can turn on/ off the receiver with transmitter from any place within a reliable distance(Max range is up to 164ft/50m with no obstacle)., Weight: 0.18077905484 pounds, Manufacturer: Aboiled