... , patent itemCertificatesCCC,CE,GS,SA,UL,ROHS Electric Ultrasonic Wholesale Aromatherapy Diffuser Packing Details: Product Size375*160* ... unitG.W.(kg)900g per unit20' FCL2520pcs40HQ5040pcs Electric Ultrasonic Wholesale Aromatherapy Diffuser Product Features:1. Patent Product ... 2. Multi-functions: Mist ,Light ,Color and Time controllable.3. Work quietly, no noises.4. Ultrasonic techlonogy, no heating ...