Hörmann HSM4 handheld transmitter

The image shows a Hörmann HSM4 garage door remote control, recognizable by its distinctive grey casing and four light blue/grey buttons with dots. Hörmann is a major German brand specialized in gate and door openers.

Founded in 1935, the company remains a family-owned business based in Steinhagen, Germany. While the brand operates manufacturing facilities across Europe, North America, and Asia to serve global markets, its core engineering and high-end components like these transmitters are primarily produced in Germany. The brand is globally recognized as the market leader for doors and garage door operators in Europe.