Digital Tube LED Digital Watch Electronic Clock DIY Kit Microcontroller MCU Watch With Transparent Case

Features Name LED digital watchesOperating voltage 3VPower supply CR2025 button battery as gift for testing inevitably there are additional factors causing low Display Red LED displayInstallation Need DIY welding assemblyClock adjustment Key regulatorWhether saving power Five seconds automatically enter power saving mode After all LED display is more power consumption so a battery life is not very long About half month need to change a battery Size 16mm diameter 54mm thick strap 2 x 25cmWeight 48g Package Included 1x LED Digital Watch Electronic Clock with Transparent Cover