ADVANCED TECHNOLOGYUSA CREE LED bead, Lifespan 50000 hours;5 watts power provides a more refined and clear picture, it is also fantastic light was soft and not dazzling,even if used in the daytime; Whole body made by aluminum can improve heat dissipation and the life of the lamp.suitable for a space of 5-25 square meters. 17 COLORS & 4 FLASHING MODESThis sunset lamp projector build-in RGB LED.17 colors light effect and 4 dynamic modes (Flash/Strobe/Fade/Smooth) Muti-Funtion Switch/360 ADJUSTABLE LENSSunset light with a muti-funtional switch,and flexible tripod to provide you with an intelligent lifestyle.Lens could be 180 degrees flip, 360 degrees rotation around the body.78 inch power cord is convenient for movement. PLUG &PLAYWork with USB power adapter(5V 2A or above) to supply power for the projection lamp. Recommended USB power input: 0.5A or above, output: 5V 2A or above. HOW TO USERotating the light can adjust the size and shape of the halo of projector.The futher the distance, the greater the projection on the wall. The soft light is great for taking pictures or Vlog,decorating bars living room bedrooms weddings parties gardens etc.It also is a perfect gift for your girlfriends.