The blue light of this A310 looks great in the daylight. However, it becomes very bright in dark conditions and disrupts your sleep. Unfortunately, there is no switch to turn off this light. Desktops, Monitors, Pen drives, Hard drives, Memory cards, Computer accessories, Graphic cards, CPU, Power supplies, Motherboards, Cooling devices, TV cards & Computing Components 15 Days Returnable Unfortunately, this portable air filter for car doesn’t show its strength in durability. It becomes useless after 3 - 6 months of use. You will need to pay an extra fee to get a filter replacement. span itemprop="name">Munchkin Portable Air PurifierAs it is a baby shower gift I can’t comment on it but do love the slender look, not bulky at all.