brand new and high quality. Features: Made of high quality plastic material, which is firm and durable. ESP8266: This is for D1, it is a mini WIFI board based on ESP-8266EX. 11 digital input/output pins, all pins have interrupt/pwm/I2C/one-wire support. WS2812 RGB: Data transmission speed up to 800Kbps. The control circuit is integrated with the RGB chip in 5050 package components, consititute a complete external control pixel. Specifications: Material: Plastic Size: approx.27x26mm/1.06x1.02in Color: As pictures shown 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: 1 Set x ESP8266 WiFi Board DIY Kit (other accessories demo in the picture is not included.)