M42 is a smart waterless commercial scent machine designed for hotels, spas, restrooms and other business spaces. With a 250ml oil capacity and coverage up to 600m³, it delivers efficient fragrance diffusion for medium-to-large indoor areas. APP control and timer settings simplify daily operation, while <36dB low-noise performance supports comfortable customer-facing environments. Its lightweight tabletop design, electric power options and built-in battery offer flexible placement. DANQ supports private-label projects for distributors and fragrance brands.