Lighting Function Short press the switch button to turn on the orange light. Press and hold the switch button again for two seconds to switch the blue light. Press and hold the switch button again for two seconds to turn off the light. Aromatherapy Function Add water into the water tank (not exceeding the water level line), add an appropriate amount of essential oil, and briefly press the atomization switch button to turn on aromatherapy atomization; Short press again to stop atomization. Protection Function Built in water shortage protection chip, automatically stop working after detecting no water. Timing Function when the light is blue, long press the switch button again for two seconds to turn on the timing function. This operation can be repeated continuously as needed to switch the timing time and color. Product Name: USB Simulation Flame Night Light Color: White / Black Material: ABS + PP Size: 170 * 80 * 108mm Plug In: type-C 2A power cord Charging: not supported Rated Input: dc5 0V/2.0A Working current: 900mA Rated power: 4.5w Water tank capacity: 250ml Atomization volume: 30-40ml / h Timing: 1H 3H 5H Package Includes 1*USB Simulation Flame Night Light (excluding essential oils) 1 * type-C 2A power cord 1 * instructions