Smart touch button & remote control -- You can touch the button on Christmas Tree lamps base for 7 colors changing and use remote control for 16 colors changing.Our Christmas Tree 3d night light will light up your whole night to provide relaxed sleeping atmosphere. Safety&Security -- Adopt great LED light source with soft comfortable light,dimmable more eye-caring design protect children's eyes. USB cable connected or 3-AA batteries powered(not included), 2-2.5W output power,4.5V-5V input voltage.CE/FCC/ROHS approved.