Compact Size for Space-saving: Without occupying much space, you can easily place this palm sized diffuser on your desk, countertop, or pack in carry-on while on the go. 3 Misting Modes: Continuous/Intermittent with LED light, Sleep Mode with NO LED light. PP Material and Cool Mist: Using PP material, this diffuser disperses a comfortable stream of room-temperature mist, which provides ideal coverage for small or medium sized room. Waterless Auto-off: You can enjoy a restful sleep and keep this diffuser on at night without worrying about overheating. The diffuser will automatically shut off once the water runs out. Colorful Mood Light: Essential oil diffuser has 8 soothing colors. Great for creating atmosphere, meditation, or using as a night light. For the first time, please Pull out the spindle and soak the Diffuser Stick for better water pump. Turn &open. Add 150ml water and a few drops of your favorite essential oil into water tank. Pull out the spindle. Soak the cotton swab. Assemble &plug in. Click the power button to turn on the product. 3 Cool Mist Mode 1.First Click: Continuous Spray with LED Light(3-4 hours) 2.Second Click: Intermittent Spray with LED Light (6-8 hours) 3.Third Click: Sleep Mode Continuous Spray with NO Light 4.Fourth Click: Turn OFF. Specifications: Water Tank Capacity: 150ML Mist Output: 20-30ml/hr Run-time: 3-8 hours based on different output mode Filter Required: NO Features: Continuous Spray with LED Light(3-4 hours) Intermittent Spray with LED Light (6-8 hours) Sleep Mode Spray with NO Light Auto Shut Off Safety Feature One Extra replaceable diffuser stick BPA free