HDE Handheld 4 Digit Number Counter Mechanical Tally Lap Tracker Manual Clicker - 2 Pack Portable manual tally click counter fits comfortably in the palm of your hand Features a quick reaction speed that mechanically counts with every press Made of durable metal; No batteries required Counts up to 9,999 then auto resets back to 0 Easy to use; The preferred tool for record keeping and sport events