Louder than ever. Experience unparalleled visibility with Shooters Global revolutionary design. The bottom layer reflects sunlight, creating an internal illumination that provides incredible contrast on the extra-large 172PPI screen. Say goodbye to squinting and struggling to read your timer! The SG Timer 2 features a smart light sensor. This sensor automatically activates the backlight when needed, ensuring optimal visibility in any environment while conserving battery life. Battery life is a crucial factor, and the SG Timer 2 excels in this area. When fully charged, this device operates for an impressive 30 days! What's more, a 2-in-1 solution allows you to charge the timer wirelessly and easily attach it to magnets for maximum convenience and efficiency. No more fumbling or struggling to access your timer. Included a magnetic holder in the box for quick and effortless retrieval. The strong magnets hold the timer securely, even during vigorous activities like jumping and running. Simply click, clack, and you're ready for action! Designed for the rugged individual, the SG Timer 2 boasts a unibody design and a special compound body that ensures superior protection against shocks, water, and dust. With a drop test rating of 6m and water resistance up to 9m, this timer can withstand the toughest conditions. It's truly made for the toughest guys out there. The all-new custom engineered Acoustic Amplifier makes SG Timer 2 the loudest shot timer ever made. Your best choice for training large groups"