Upgrade your DIY wall clock with this versatile Digital Clock, designed to provide clear digital time, temperature display and ambient light. It supports two convenient power supply methods: you can use 4 AAA batteries (not included) or simply plug it in using the included USB cable. For better performance and longer lifespan, we highly recommend using the USB power option. This movement is perfect for replacing old analog clock mechanisms or building your own modern digital wall clock. With a large, easy-to-read display and silent operation, it’s ideal for homes, offices, classrooms, and more. Whether you're a DIY enthusiast or looking to modernize your clock, this digital clock movement brings precision, convenience, and a clean minimalist look to your space. In battery-powered mode, it is recommended to turn on the power-saving mode (voice control mode). The product will light up at a sound of 70 decibels and automatically turn off the screen after 10 seconds. Normal mode will keep the screen on.