1. Simulate candlelight lighting effect, and it is also a very delicate night light 2. It doesn't need any cotton filter, you can just drop the essential oil directly into the water for aromatherapy 3. Built-in smart chip, automatic power off when water shortage, very safe. Instructions for use 1. Fill the tank with water, being careful not to exceed the water level 2. Connect the power supply, you can use 5V1A adapter, mobile power supply or computer USB interface 3. Short press to turn on the spray, long press to turn on the night light mode. Use time: 8-12 hours Power (W): 5 Voltage (V): 5 Noise: less than 36db Capacity: 120ml Use: Household Spray Number of exports: one Function: Aromatherapy Model: 601 Application: Less than 10 Power Type: USB Type: Ultrasonic Humidifier Mist output (gallons/day): 10-15 ml/hour Shape: classic column Category: Humidification Colour: Black Material: ABS Dimensions: 95 x 95 x 150 mm Package Contents: 1 x Aroma Diffuser 1 x USB Cable 1 x Instruction Manual in Chinese and English Only the above package contents are included, other products are not included. Note: Light shooting and different monitors may cause the color of the item in the picture to be slightly different from the actual item. Measurement tolerance is +/- 1-3 cm.