... 910)6integration of a variety of measurement application7large capacity lithium battery, angle measurement of up to 20 hours of8 ... level30" /2mm circle level8 ' / 2mmpower specifications rechargeable lithium battery time machine model8h angle measuring 20hinstrument voltage7.2V size ... measurement, cross measurement, road software set of instrument battery charger, data line, software CD and Witt base ...