It is an automatic sensor Night LED bulb, so it will work when the room is completely dark. If You Want To Check Product In Day Light Then Cover The Sensor (Ldr)(Located Below The Product) Properly And Light Will Glow. Creative mushroom shape. Romantic bed lamp. Very Unique, Stylish, Fancy & Attractive Specialty Night Light Lamp. Simple Plug & Play Design. Automatic Color Changing Light is Designed In Nursery Mushroom Plant Shape With Leaves On It. It gives a pleasure of lighted green nursery inside your beautiful home. Smart Sensor automatically turns on the Mushroom Night Light When It detects Dark. Similarly It automatically turns off when senses brightness or day light. Hence It preserves the power and life of the LED. Brand No Brand SKU 100422367_NP-1020714491