Yes, the full range of Lively Living Australia diffusers and sleep aids are manufactured by the world leaders and inventors of ultrasonic technology. They carry a 12 month manufacturer warranty from the date of purchase.Lively Living Australia are proud to have exclusive partnership  with the world leaders and inventors of ultrasonic technology Ültransmit’.  Their name is proudly mentioned on all the packaging and on the underside base off all the diffuser products.