Product name: party light (DIY card projection lamp) Input voltage: 110-220V Output voltage: 5V/2000MA Product power: RGBW1*4W (total 4W) Power supply mode: USB cable power supply (mobile power supply, computer, mobile phone adapter) Packaging material: color box packaging Box size: 22x19x9.5cm Packaging accessories: lamp body + 3 cards + remote control + USB Android data cable + manual : This product is a red and green laser light that can be inserted into the card to change the pattern. It is equipped with 3 laser roulette cards. Each card has 5 holes to change 5 kinds of laser patterns. Manually insert the card and the card through the card hole of the lamp body. Manually turn the card to switch laser patterns, there are Santa Claus/bells/Gypsophila/Heart/Pumpkin/Skull and so on, a total of 15 kinds of laser patterns can be switched freely manually, and it also comes with 10 kinds of background LED light colors can be switched freely, remote control Both the button and the lamp body can control the product, including switches, background light color switching, red and green laser single control/double control, laser rotation speed, automatic cycle mode, brightness, voice control mode (following the rhythm of music/sound) The red model and the blue model are only different in appearance color, and the others are the same. Instructions for use of the remote control: Install 2 AAA batteries for use. (The battery is not included in the shipment, please purchase it yourself)