Yookat 5 Pcs LED Battery-powered Wireless Night Light Stick Tap Touch Lamp Stick-on Push Light for Closets, Cabinets, Counters, Rooms Batteris Not Included This night light they put out is to light up fairly dark spots and they are easy to turn on/off in the dark, easy to change the battery. The Yookat LED light is perfect for creating subtle, night light style light in corners of rooms and work very well to light dim and dark cabinets, closets and similar areas. Often we need extra light in the closet, cabinets, under kitchen sink, terrace/balcony/patio, storage room or sometimes even under the bed. This LED light is lightweight and so easy to install and use. It measures 2.6 x 2.6 x 0.8 inches and weighs 7.8 oz. It has an adhesive peel off sticker at the back but once mounted, it is hard to transfer the light because the adhesive loses its stickiness. It needs 3 AAA batteries which are not included in this package. You need to connect correctly the negative and positive pole. The "+" and "-" pole is printed in the inside. It is easy to change batteries, no need to remove the whole thing. Just twist the silver part with the LED bulb counter clockwise and it comes off and clockwise to lock it back on. Tap the center of the night light for On/ Off. Each lamp is powered by 3 AAA batteries. You'll need 30 AAA batteries if you plan on using all of these at once. To install batteries you twist the black base of each lamp to the "OPEN" position and then remove it to reveal the battery compartment.