Multifunction timer: 12/24 hour time display; countdown timer with minutes and seconds; stopwatch; custom fitness timing. LED digital tube: viewing range up to 20 meters; font height 40 mm; interval timer supports tracking daily workouts with multiple functions; ideal for home or commercial gym. Six fitness training modes: fitness training mode; positive/countdown mode; stopwatch mode; clock mode; metronome; interval cycle exercise timing. Material and mounting: aluminum alloy outer frame for sturdy, durable construction with a look; strong adhesive hook for drilling installation; can be pasted on smooth walls or glass; LED digital tube with long service life. Use scenarios: Home gym: mount on a wall or glass surface to time HIIT sessions, intervals, and cooldowns with clear visibility. Commercial gym or studio: place in a training area or class space to run circuits, metronome timing, and interval cycles for group sessions; supports visible timing for multiple participants. Spaces without drilling: attach securely to smooth surfaces using the adhesive hook, then relocate easily as needed without wall damage.