100% brand new and high quality Features: Made of high quality material, solid, durable and good performance, long service life. This WS2812b smart full-color LED pixel is individually addressable, which features 256 brightness display and full 24-bit (16,777,216) color display. And you can set to any color or animation. It's put on a small PCB board that allows you to solder it in whatever configuration you want. It works almost the same as NeoPixel and has superior quality but it is much cheaper than NeoPixel. It's easy to wire up and control. You just need one digital pin plus 5V and ground to control as many LEDs. The chainable design means no crossed threads. Works great with Adafruit NeoPixel Library ,ready-to-go library & example code for the Duemilanove/Diecimila, Flora/Micro/Leonardo, Trinket/Gemma, ADK, FastLED library and Raspberry Pi. LED strip only, other accessories demo in the picture is not included! Specification: Product model: WS2812-light string board IC model number: WS2811 Material: Aluminum Substrate Light source: SMD 5050 RGB Chip: Taiwan wafer chip, and other chips in Taiwan; Standard working voltage: DC 5V Power: 0.3W 0.01% Gray level: 256 Illumination angle: 180; Luminous color: can be adjusted by the controller, white, red, yellow, blue, green, etc. Waterproof rating: Not waterproof Single LED Dia.: 1cm/0.39in; Thickness: 0.3cm/0.12in Optional Color: Black/White Quantity: 1 Set Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 100 x Smart LED Strip