Features Made of ABS Material This fitness timer is made of ABS material and small and portable. You can take this timer anywhere and start practicing. Multifunctional: the gymnastics timer includes 10 functions, such as clock display, 3 custom groups for interval timer, turn countdown, countdown by turn, stopwatch, alarm clock, 10 second countdown, sound beep control. Wide Use Scenarios The workout timer can be widely used for home gyms, home garages, schools, gardens, etc. LAST 30 HOURS The interval timer can last up to 30 hours on a single charge. Give yourself enough time to use and a comfortable use process. Large 1000mAh battery Low Battery Reminder Function The workout timer adopts the low battery reminder function, so you won't notice that the battery is low during your workout. Specification: Item Type: Timer Material: ABS Battery: Polymer battery x 1, battery capacity 1000mAh (comes with built-in battery) Package list: 1 x timer. 1 x USB cable Package List 1 x Timer 1 x USB Cable