The eco4life smart star projector is able to project the starry sky on your ceiling with floating clouds that have a lot of changeable colors, with thousands of stars filling the ceiling. Sleep under the stars and enjoy the starry sky that now belongs to you. App control & Voice Control: Download the free eco4life app from Google App Store or Apple App Store and pair your smart starlight projector to your app, or voice control turn on/off by Alexa, Google Assistant, and Siri Voice. (Only support 2.4G internet WIFI) Traditional control: You can press the button on the projector to turn/off the power or switch starlight patterns. Decorate your room at night: Create scenes in your app by selecting colors, mode (Static, Jump, Gradient, Breathe, Flash) and Speed. Your starlight projector will bring to your room an immersive vision and mesmerizing ambiance, making you feel calm, cozy, fantasy, and relaxed. Timer Setting: Schedule time and date to turn on/off your smart star projector automatically. Specifications: Power Input: 5V 1A Power Output: <1mW per beamlet Classification of lasers: Class 1 Work Temperature: 14°F-95°F (-10°C-40°C) Wireless Type: WiFi 2.4Ghz Laser color: Green, 515-520nm/Blue, 450nm Nebula color: Colorful: 450nm Shell Material: Flame Retarding V0 Class AB Dimensions (cm): 16.2L x 6.8W x 16.2H Net Weight: 0.5KG Power cord length: 1.8m What is in the box? Smart Star Projector x 1pcs User Manual x 1pcs Accessory x 1set Warning: Please keep the product away from open flames. Please keep away from water to avoid damage. Please keep out of reach of children. Children may use it under adult supervision. Please cut off the power supply if a hazard occurs. Please use product in line with instructions. Do not look directly at the laser to avoid damaging your eyes. Do not point the light into the sky within 10 nautical miles (18.5km) of an airport. Do not dissemble and assemble it by yourself. For indoor use only (Works better in a dark environment)