"Product Specifications Material: ABS engineering plastic Projection light source: LED light sourceBattery capacity: 2200mAh rechargeable Lithium batteryNote: Wifi version without battery USB cable length: 1m Maximum power: 7.5W Output: DC5V/2A Server type: touch Projection coverage: 161-215 square feet (15-20 ) Projection area: 20-80 square Meter Working temperature: -20~50 Storage temperature: -20 ~ 60 Projection light source wavelength: red light bead (620-625nm), green light bead (520-525nm), blue light bead (460-465nm), white light bead (color temperature 1500-15000K ) About Wifi version type 1. Two control modes are available. (Slide to switch modes) A. Manual mode, you can switch different functions by touching the button. In this mode, the product will automatically shut down after running for 4 hours by default. B. Wi-Fi mode: function switch is controlled by mobile app or smart voice 2. Application function A. Module color: You can configure the water ripple color, brightness level, color satuation; B. Scenario module: provides multiple scenarios. You can adjust the brightness level and choose your favorite water ripple color, static, flashing or breathing mode according to your needs C: timer module: Sets the auto shut-off time 3. Smart control: Use a smart speaker, such as Amazon Echo, Google assistant, to control the product-ON/OFF, color switch, brightness adjustment, etc 4: sound control module: the light flashes according to the external sound or music rhythm changes"