Item Type: Stopwatch_x000D_ Material: ABS _x000D_ Weight: Approx. 41g/1.45oz_x000D_ Battery: 1 x 140mAh AG13 built in button battery, shipped with built in battery 1Large LCD Digital Display: Sport stopwatch has a large LCD digital display for easy viewing. The clear data display allows you to see at a glance. 2Multiple Functions: The stopwatch has several functions to meet the needs of the use of unused situations. It supports single channel memory, 1/100 second timing, date, time display, and alarm clock. 3Ergonomic Design: Our sports stopwatch is ergonomically designed for your hands, you will feel comfortable and flexible when you press the button. 4Waterproof Stopwatch: Made of premium ABS material, our electric stopwatch features waterproof. With 140mAh battery, it has long service and battery life. 5Wide Applications: Stopwatch is applicable to a wide range of places, it can be used for racing, horse racing, racing, swimming, badminton and other sports activities.1 x Stopwatch