Robic SC-505W 12 Memory Stopwatch (Pack of 6), Assorted Colors Our Most Popular Stopwatch Ever-Now TWICE as powerful as before - 12 memory recall and records 199 readings Ultra-precise, multi-mode stopwatch with memory recall and lap counter; Advanced timekeeping functions yet easy to use; Set Includes one of each of the following colors: Blue Green Orange Purple Red Yellow Lap, split or event timing; 1/100 second precision to 24 hours; Twelve (12) memory recall; Auto-lap counter to 199 Auto lap/split release; Single action time readings; 1st - 12th place times; Time-out (pause) timing; Shows current running lap or split time Extra large display with big numbers; Water Resistant to 30 meters; Break-Away Safety Lanyard helps prevent accidents, promotes safe use; Available in today's most popular colors One year factory warranty; Lithium battery CR-2032 This is an aftermarket of generic part