Marshall-Browning International Corp. Robic SC-512 Handheld Countdown Timer Counts down in seconds(up to 99 min. & 59 sec.) or in minutes (up to 9999 minutes). Can be used silently or with audible beep confirmation. Automatically resets to preset time at completion; Stop & restart for time-outs. Lock Function protects the current reading which is entered. Breakaway Safety Lanyard helps prevent accidents, promotes safe use.