_x005f_x000D_ Specification: _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Origin: Mainland China _x005f_x000D_ Type: Voltage Regulator _x005f_x000D_ Condition: New _x005f_x000D_ For Arduino use library: TM1637.h _x005f_x000D_ Digital tube: 0.36 inch _x005f_x000D_ Driver IC: TM1637 _x005f_x000D_ Color(optional): white/red/yellow/green/blue _x005f_x000D_ Voltage: 5 volts _x005f_x000D_ Product size: 45*22*10mm/1.78*0.87*0.4in _x005f_x000D_ _x005f_x000D_ Note: _x005f_x000D_ Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! _x005f_x000D_ Please allow 1-2cm measuring deviation due to manual measurement. _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Included: _x005f_x000D_ 1 x Tube Clock Module 1. Easy-to-use: This 4-digit tube clock module features a simple design and is easy to use with any microcontroller that supports the TM1637 library. 2. 4-digit 7-segment display: The tm1637 digital display module includes a 4-digit 7-segment display, with each digit featuring a decimal point for added functionality. 3. Two-wire interface: The display time clock indicator uses a two-wire interface to connect to your microcontroller's digital I/O pins, making it easy to integrate into your projects. 4. High compatibility: This display time clock indicator is highly suitable for Arduino boards and other microcontrollers that support the TM1637 library, making it an ideal choice for hobbyists and professionals alike. 5. Satisfaction Guarantee: We strive to provide each customer with the highest standard of customer service to ensure you have a pleasant shopping experience. If you have any issues, inquiries or need assistance, please feel free to contact us directly.