ETIMER is a software application that counts, times and measure just about any athletic event or drills. eTIMER is available for Windows 95, 98, NT4.0/2000 and XP. eTIMER is unique in that either a tradition keyboard/mouse or a wireless RF device that connects to an available printer port can control it. The RF device provides the user with up to 150+ feet of hands free control for starting and stopping of eTIMER options. The transmitter come with a normally open (NO) connection for additional wireless control on the back of the transmitter.