Inquiry (采购产品): information Could you help me with sensors to measure speed? I would need it to be activated by a runner at point A and then another sensor to stop the time at point B. I would also like a digital read out of the time. Thank You **** Hidden Message ***** C. Tamer 48189 USA Company: Team 4 E-mail: ctamer@charter.net **** Hidden Message ***** ctamer@charter.net
