Hormann HS 4 standard garage door handset with four button control which operates at 40.685MHz.
 
This particular Hormann fob can be correctly identified within the range by the colour of its buttons which are light grey in appearance.
 
Hormann HS 4 Standard Handset (40.685MHz) Features:
 
Standard size.
Matte finish with grey buttons.
Four button control.
 
Technical Details:
 
Four channel.
Operates at 40.685MHz.