The multifunctional LED lamp is designed for use in areas with high requirements for dust and water resistance. Especially recommended for lighting public facilities, including hospitals, educational facilities, halls, garages, passages, warehouses, shops, food industry, commercial and industrial facilities (factories, laboratories), warehouses, parking lots (underground and multilevel), sports stadiums, transport terminals, and underground passages. The luminaire is ideal for new lighting applications as well as replacing traditional fluorescent luminaires with energysaving LED solutions. Its design is adapted for surface and suspended mounting.