MultiFunctional Portable Design This stop timer is compact and versatile, designed for ease of use. It attaches effortlessly to backpacks or belts and is suitable for fitness recording and outdoor exploration. Dependable Function Powered by a stateoftheart electronic chip, it provides precise measurements with an error rate below 0.1%. It supports stop timer and countdown modes to meet a range of timing needs. LongLasting Build Design Constructed from ABS material, it offers scratch and wear resistance for rugged outdoor use and reliable performance across different environments. Smooth Adjustments for Any User Ergonomic button layout with responsive controls delivers easy operation for all ages, and the largedigit LCD screen enables clear time reading in various settings. Use scenarios Interval training: Use the stop timer and countdown modes to manage work/rest cycles during gym workouts or outdoor runs. Sports timing: Clip to a belt or gear for hands timing of laps, segments, or drills in running, cycling, or other sports. Outdoor activities: Time rest periods, field research sessions, or coordinated group activities during hiking, camping, or nature projects. Specifications at a glance Function: Stop timer and countdown Accuracy: Error rate below 0.1% Material: ABS Display: Largedigit LCD Attachment: Attaches to backpacks or belts Operation: Ergonomic buttons with minimal lag