... . automatic measuring function7. basic configuration: main machine, printer(with rechargeable battery), microphone(TL14423), bracket, CD, fan cover, horologe screwdriver ... 4 teams regularConnector RS-232C, can be connected with printer and microcomputer communication to print measured data and ... 5 pieces of alkaline batteries, DC 7.5v, with input hole for external powerDimensions Main machine: 240mm× ...