ThePico-Clock-Greenis an LED digits electronic clock designed for Pico. It incorporates high precision chip DS3231, photosensor, buzzer, and buttons, features multiple functions including accurate electronic clock, temperature display, auto brightness adjustment, alarm, and button config. The important part is, codes and development tutorials are also provided to help you fast get started with Pico and make your own electronic clock. Standard Pico header, supports Pico series Onboard high precision chip DS3231, with backup battery holder, maintains accurate timekeeping when main power is off Real-Time Clock Counts Seconds, Minutes, Hours, Date of the Month, Month, Day of the Week, and Year with Leap-Year Compensation Valid Up to 2100 Optional format : 24-hour OR 12-hour with an AM/PM indicator 2x programable alarm clock Digital temperature sensor output: 3Celsius accuracy Embedded photosensor for auto brightness adjustment due to the ambient light, power saving and eye care Embedded buzzer for alarm or hourly ring, etc. 3x buttons for configuration Colour:blue+black Material:PCB Package Contents: 1 x Pico-Clock-Green 1 x Case 1 x USB-A to -B cable 1.2m 1 x Button cell CR2032 1 x Screws pack Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.