Scale Changer Harmonium

Features:
scale display label : it helps you to change the scale without looking down at the changing knob.
Coupling system :- this system provides you a unique facility. While you are playing a particular note the sound of the same note of lower octave will set it automatically.
You can
change the scale as and when required.
It is in the form of a locked suitcase, thus can easily be carried from one place to another.
Minimum space occupied while keeping.
Easy to preserve the instrument from dust, heat and light.
technical specifications:
scale changing portable harmonium. Available in three playing octaves. You can change the scale up to three & three forth octave. (four notes up and down from natural). Recommended for professionals.