IonLite Air Purifier Plug-In with Nightlight - Perfect Choice for your Baby&rsquo;s Room, Bedroom, Bathroom, Kitchen & More Proven to Kill E. Coli and Bacteria in the Air and On Surfaces No Filter To Clean or Replace, Just Plug It In! Blue Light (only comes in this color) Built-In Automatic Night/Day Sensor Plugs Into Any Standard Electrical Socket (120V)