Features: Discover the watch, a versatile and customizable wearable device with open source hardware and software. Experience the innovative features of this programmable watch, including a low power display with wide viewing angles and tactile buttons for easy navigation. Designed for technology enthusiasts and developers, the watch provides a platform for exploration and personalization. Whether you're building your own device or exploring educational opportunities, the watch empowers you to bring your ideas to life. Unlock the potential of open source hardware and software with the watch, a stylish timepieces that combines functionality with creativity. Specifications: Material:ABS Dial size: Approx.45x34mm Resolution: 200x200 Real-time clock, with calendar and alarm clock functions, can accurately time. Built-in 3.7V 200mAh battery. The use of PCBupper and lower covers can better protect the battery life of various components on the screen, battery and motherboards. Watchy wakes up every 60 seconds, checks the accelerometer and real-time clock, and updates the electronic paper display with latest information. Some dial also turn on WiFi to get weather data. Watchy's battery life should be 5-7 days when it is only timed, and 2-3 days when it is obtained through WiFi. Package Includes: 1 Set ESP32 Watch note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. ②.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.