A compact golf device that measures calorie consumption. - Model Name: RED EYES POCKET HS-110 - Color: Red - Function: Calorie consumption measurement - Display Contents: Maximum value, count, time ・Speed gun ・Baseball ・Golf I am selling this because I haven't used it much. There is no instruction manual, but you can find information online. I've set the price to be affordable, so I hope someone can make good use of it. Thank you for looking.