ELSO central panel insert

A colour is a visual attribute that describes the hue or shade of an object or surface. It can be a single dominant colour, a combination of colours, or a range such as "Black, White". The value may be expressed in common names (e.g., Black, Silver) or descriptive terms (e.g., One Colour, Assorted).

The overall design classification of a product, indicating whether it is wall‑mounted, handheld, ultra‑slim, or another form factor. It helps buyers quickly understand the physical layout and mounting requirements of the item.

The main substance from which a product is made, such as metal, plastic, wood, glass or composite materials. This attribute helps users understand durability, weight, appearance and suitability for specific applications.

Indicates the type of call‑button service offered by the product, such as button-based call systems, back service, self‑service, draw, or other categories.

The type of electrical power supply that a product uses or is compatible with, such as bus system, external source, or power grid. This attribute indicates the primary method by which the device receives its electrical energy.