LED quantity: 300PCS. Output power: 28W. Input voltage of adapter: AC100v-240v. Output voltage of adapter: DC12V. Remote distance: within 8M. Working temperature: - 20 ℃ ~+45 ℃. Beam angle: 120 °. Strip light size: 10000*10*2 (mm). Features: -WIFI Control & Mic Mode: Control the LED strip lights via APP, remote control and controller.With the mobile app, you can select all colors.Also you can DIY your favorite colors by mixing several colors together and saving them for later use. Supports IOS 8.0 or above / Android 4.3 or above,And our App is keep upgrading to make it compatible with more smart devices(Note: Please kindly close to the control box as soon as possible when connecting wifi). -Voice Control via Alexa & Google Assistant: AMBOTHER LED strip lights frees your hands and no need move.Use simple dialog starters to turn lights on and off, and set colors to make them brighter or dimmer.Currently compatible with Ech and Google Home. -Wide Applications: decorate any place and have fun with strip lights 5050 RGB SMD 300 LEDs with dimming and brightness controls, suitable for indoor lighting and decor.LED strips are treated with IP65, high quality, watertight.But please note: only LED strips are watertight. Remote controller, power adaptor and connectors are non-watertight.The music rope light have a memory function, when you turn on it,it will be the same as last usage.It can decorate your bedroom, ceiling, stairs, kitchen cabinets, porch, desk and living room, especially suitable for Christmas, Halloween, party and other holidays. -Easy to Install and Cut:  The multi-color changing led strip lights can be cut every 3 LEDs along the cutting mark.No damage to remaining LED strips.Due to the flexible material and self-stick back Elfeland LED tape strips can be easily placed on any clean, dry and flat surface with good adhesion such as paint, glass, plastic, metal, glass.You just need to remove the red tape on the back of the tape strip and install it directly. Package included: 1* LED strip light