Specification: Material: Cardboard Pluggable phone size: no more than 14.5*8 cm (maximum screen size 5.8 inch) Package Weight: 586 g Package list: 1 * Paper Tube 1 * Lens 1 * Back Stickers 1 * Projection Paper Box Note: 1) Projection is better on white walls, and the darker the indoor environment, the better. At first, I feel that the picture is darker and I have to have a time to adapt. 2) Video with subtitles, subtitles cannot be displayed in the forward direction, and the display is reversed. 3) Due to environmental requirements, operational requirements, the projected effect of this product is sometimes poor. Please be cautious in placing orders, the poor projection effect will not give unreasonable unconditional return. The product of unpacking the accessory bag does not give unreasonable unconditional return (requires the difference of material price). This projector is just a DIY creative product. It is not a real projector. The interface and subtitles are reversed. Please know. When using it, put for iPhone or for Android smartphone into it, put it in, and push it to watch it. According to the principle of the magnifying glass, the imaging is reversed, not a quality problem, but it can be adjusted according to the situation: 1) If the image is upside down, flip the phone directly; 2) If the graphics are reversed: (a) For Android mobile phone can go to "google play "Download the "ultimate rotaion contro" software to control the flipping of the image. (b) For iPhone, can be adjusted by "Settings" - "General" - "Accessibility" - "assistive Touch" - "Device - Rotating" - horizontally to the left / horizontally to the right. (There is a description in the box)