Accessory Data Logger Complete DAS–4™ System captures and stores up to 8000 bytes (over 1000 readings). Readings may be taken at intervals from 1 second to 99 hours. Stored readings may be downloaded to any PC and viewed. Can be read as-is or imported to spreadsheets, databases, and statistical programs. Includes Windows CD, and a 3-foot cable (supplied USB, serial, and instrument connections). Cable plugs into instrument and computer. Four AA alkaline batteries supplied. Size is 5 x 3 x 1 inches. Weight is 7 ounces. Replacement battery Cat. No. 1111.