Human body induction: If a person or pet get close to the sensor, LED light be on for 20 seconds(in a dark environment), when people or pet leaves, the mode starts to the odor. Built-in Generator: can effectively remove odors, disinfect, harmful substances and in the air, remove formaldehyde, and deodorize pet odors. has smell like fishy, This is a normal smell. Aromatherapy function: There is an aromatherapy pieces included, if you don't use function, please turn it off. The built-in aromatherapy piece release a light fragrance. Night light: Built-in 12pcs LED lights, warm light and white light available, the light stay on for about 20s after being sensed in a dark environment or in a weak light environment during the day. Nice for toilet, bathroom, kitchen, pet cage, pet litter, pet cat litter box, wardrobe, shoes cabinet, bedroom, etc. Supply voltage:DC 5V Power:1W Use area:15 concentration:30mg/H Power supply:USB chargeable Using Instructions: Mode 1: + Night Light Power On: Long key 1 for 2 Seconds, Green indicator light flashing, work for 5 mins automatically and then stand by. At this time, if a person or pet get close to the sensor light, the light stay on for 20s(in a dark environment). After the person or pet leave, mode works for 5 mins and waiting for induction. Short key 2 to choose warm light or white light. LED light works for 20s, after that, the air purifier enter night light + mode automatically (Mode 1) Mode 2: Mode Long key 2 to turn off the LED Light, Air purifier enters Single mode. At this time, the LED light is turned off. After people or pets trigger sensing function and leaves for 20S, green LED light flashing, working for 6 mins and then stand by, keep cycling. Shut down: Long key 1, LED indicator red light flashes, air purifier turn off. Charging Instructions: The LED indicator is always on red when charging, and lights off when it is fully . If the LED indicator flashes red, it's time to charge the product. Charging time: About 3-4H Color:White Material:ABS Package Contents: 1 * Odor Purifier Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.