Bullet Points:Send without battery1Projection Flashlight: A fun toy that is easy to play, and to increase parent-child interaction. Children can recognize animals, and acquire knowledge from an early age.2The play scene is not limited: walls, ceilings, and floors all can be act as screens, which is really convenient.3Easy to use: Insert a slideshow and press the power button to adjust the focal length to get a clear image 1 meter wide.4Perfect educational toys: The cute image-changing picture projector allows children to enjoy the game of hands and fingertips and expand the imagination of the brain while viewing images.5Package includes: 1 * flashlight + 3 * transparencies. (The product does not contain a battery, you need to bring your own 2*AA battery.).ProductName:Children'sProjectionFlashlightPowersupplymode:installtwoAAbatteriesPackingsize:about13.5*21.5CM/5.31*8.46inProductsize:about13.5*3.5CM/5.31*1.38inProductweight:about70GPlease note that:If the projection is blurred, follow the instructions.Operation method:The projection definition needs to be adjusted according to the distance, and the front position needs to be rotated.Below are pictures showing the operation methods.