Wide Application: Suitable for garage doors, electric doors, massage chairs, and other motor-driven equipment. Strong Signal: Utilizes 433MHz technology to transmit through barriers with high sensitivity. Remote Operation: Control DC motors remotely with the ability to store up to 20 transmitters per receiver. Easy Setup: Features three operating modes (momentary, toggle, latched) with simple setup procedures. Reliable Performance: Ensures stable operation with a reception range of 20-50 meters., Weight: 0.24581542213 pounds, Manufacturer: Frewurwer