【Remote Control】--- The effective distance of the remote control is 3m, the remote control is powered by a 3V CR2025 button battery (battery is included). All these functions can be achieved by pressing the buttons on the humidifier or the remote control. 【400ml Capacity & BPA Free】--- Large capacity and more mist. Working time up to 10 hours. Refreshes and moisturizes the air for rooms of 20-40m². The diffuser is BPA free, it is safe for children and pregnant women. 【Spray Conversion】--- You can achieve continuous and intermittent spray, large mist and small mist switching. You can easily set the time (1H/3H/6H/ON) via the controller. 【Color Changing Light】--- You can choose to cycle these colors automatically or choose any fixed color. Also, you can adjust the brightness of the light. 【Auto Shut-Off】--- When the water runs out, the diffuser will automatically turn off.