If you’re consumer electronics designer or manufacturer, you probably need VU meter. If you’re industrial equipment manufacturer, you probably need panel meter. Vise versa is possible in some circumstances. When inquire, you must know what you need meter for, display (VU) or measuring (Panel) ? Meter product is a custom product, we can design different mechanical dimension to meet your demand. We can aslo design different electrical specification for customer’s special demand, but subject to some limitation. Just tell us by email what you need, or send us a sketch/drawing, we will proceed.