Perman Durable Digital LCD Pedometer Run Step Walking Distance Calorie Counter Watch Bracelet ABS Imported Material: ABS+Silica gel. Size: approx. 4.5 x 3.4 x 2.2cm. LCD display, easy to read. Function: step counter, distance & calorie calculation. Power by: 1x button cell (battery included) Steps count from 0 to 99,999. Low battery consumption and Auto Sleep. Auto detect waist movement while jogging. This fabulous pedometer step counter is durable and useful for a long time. Portable and stylish design is energy-saving and eco-friendly. Its helpful to your exercising.