Special Features
Timers connect to a single serial port on a notebook computer; timers can be networked up to 4, 000 feet apart; 9 channels of input; 4x16 character display; connects to computer using rs232 serial cable; operating temperature: -20? To 70? Centigrade (-4? To 158? Fahrenheit); battery life: timer will operate for over 150 hours on two aa batteries, or 300 hours on four aa batteries when not attached to computer or printer; weight: 0.82 lbs. (13 oz.); (11 oz. Without batteries); wireless frequency: 900 mega hertz; wireless transmission distance: up to 7 miles line of sight; directional antennas are also available to extend; wireless battery life: up to 8 hours with two aa batteries
