2835 RGB LED strip only have Red, Green, Blue three kinds of single color and some mixed multiple colors. This 2835 led strip is 60 led light beads / m, 5050 is 18 light beads / m. This remote all is no battery.The IR BLUETOOTH WIFI KIT Difference. (1)The IR set only IR remote control, no app control. (2)The Bluetooth set has remote control and app control. (3)The Wifi set has remote control and app control(works with Google assistant/Alexa). IP65 Waterproof set coated a waterproof membrane on the lamp beads, it has a more clearly and beautiful lighting and if you need use the led strip outdoor, you can choose the waterproof kind set. This item is in the category "Home & Garden\Lamps, Lighting & Ceiling Fans\String Lights, Fairy Lights". The seller is "super-fashion-123" and is located in this country: CN. This item can be shipped worldwide.