Usage Tips:Our diffusers are elegantly designed, extremely durable and extremely effective. It has a capacity of 300ml. Very easy to clean and use. Comes with LED lights, so it can be used as a mini light in your bedroom, nursery, or any romantic setting. Ideal for gift giving or personal use. PERFECT SIZE WITH 300ML TANK: This best-selling diffuser can run for 18+ hours. Our diffusers are made with BPA-free, medical-grade materials so they won't break down or dissolve from oil. Everything you need to start diffusing and keep your diffuser running smoothly. Rigorous quality testing provides the highest quality diffusers on the market. ULTRASONIC TECHNOLOGY WITH AUTO-SHUT-OFF: Designed with water-free auto-shutoff, this ultra-quiet ultrasonic humidifier will automatically shut off when the water level gets too low. Perfect for bedroom, bathroom, living room, office, spa, yoga room or studio. PERFECT GIFT: Our modern designs complement any decor. Your friends and family will love this diffuser. Perfect for baby rooms, bedrooms, spas, and more