working range:corridor,entertainment room,children's room,living room.... Gift Style: birthday gift/Children's day gift/lover gift... MORE BRIGHT :The Higher power Beads which could be more Bright and more beautiful.The Lighting Range also bigger than the old one.POWER THODEL:4*AAA Batteries (NOT INCLUDED) could support the Generation,Or USB cable connect to the electric. children's day will coming soon, it's a good gift for your children Night Lighting Lamp Projector for Children Kids Bedroom