Multifunctional: Gym timer is including 10 functions, such as clock display, 3 groups of custom for interval timer, count up by round, countdown by round, stopwatch, alarms clock, 10 seconds countdown, beep buzzer control Last 30 Hours: The interval timer can last up to 30 hours on a single charge. Give you plenty of time to use and comfortable use process. 1000mAh large battery Low Battery Reminder Function: The workout timer adopts the low battery reminder function, so you 't notice the battery is low during your workout Made of ABS Material: This gym fitness timer is made of ABS material and small and portable. You can take this timer anywhere and training Wide Use Scenarios: The workout timer can be widely used for home gyms, home garages, schools, gardens and so on Item Type:Timer (The product printed words depending on the batch, but this does not affect use) Color:As Shown Material:ABS Package Contents: 1 * Gym Timer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.