The Omeet night light is very sensitive, if the room you plug in the light is a little gloomy, the light will stay on constantly even in daytime. <br> If you want it turn off , then the room should be bright enough.<br> The brightness of the light depends on the brightness of the room, brighter the room is, dimmer the light is, vice versa. <br> Perfect nightlights for little ones extra lighting use, such as hallway, bedroom and toilet.<br> <br><b>Specifications:</b><br> Power Consumption: 0.1W<br> Input Voltage: AC 110-220V<br> Light Source: 2 LEDs <br> Lifespan: 50000 Hours <br> Light Color: WarmWhite<br> Brightness: 20 - 40LM <br> Material: ABS + PC + Steel<br> Shade Color: Yellow<br> Product Dimension: 3.14*3.14 inch / 8*8 cm <br> Product Weight: 1.4 oz <br><br> <b>Package included:</b><br> 4 * Night Light<br><br><b>Note: THIS ITEMS IS NOT INTENDED FOR USE BY CHILDREN 12 AND UNDER.</b>