Feature: 1. SMART TIMER FUNCTION: Wall aromatherapy diffuser features an intelligent timing function, allowing users to set fragrance intervals and durations according to their preferences, enabling true smart management of scent release. 2. EFFICIENT COVERAGE AREA: Designed to cover large spaces of 100 to 200m³, this home fragrance diffuser is ideal for hotels, bathrooms, living rooms, and offices, ensuring that every corner enjoys a refreshing scent to enhance the ambient. 3. WATERLESS FRAGRANCE TECHNOLOGY: Utilizing waterless diffusion technology, there's no need for water, eliminating issues related to water quality, while ensuring that the essential oils provide a long lasting and rich aromatic experience. 4. VERSATILE USE IN VARIOUS SETTINGS: Suitable for both commercial spaces such as hotels, restaurants, and spas, as well as home use, this wall diffuser caters to diverse aromatic needs, offering users a variety of fragrant experiences. 5. SAFE DESIGN: Constructed from ABS materials, this smart scent air machine is safe. Many units also feature automatic temperature control and battery protection, enhancing user safety and providing peace of mind during operating. Specification: Item Type: Aromatherapy Diffuser Power Supply: Battery or USB Cable Voltage: 5V1A Maximum Power: 5W Independent Fan: for Wider Scent Coverage Battery: 3 x D Battery (not included) Essential Oil Bottle Capacity: 150ML Weight: Approx. 575.00g / 20.28oz. Package List: 1 x Aromatherapy Machine 1 x Back Sticker 1 x User Manual 1 x Data Cable 4 x Accessories