... Adjustable in stepsCentering Accuracy1 mm at 1.5m instrument heightPower supplyBattery TypeLithium-IonVoltage/CapacityZBA-400:7.4V 3000mAhOperating ... Ltd, which is the owner of PJK brand land surveying instrument, the PJK brand covers total station, theodolite, level ... have Trimble, Ashtech, LAIKA, TOPCON, SOKKIA, NIKON and surveying instrument which are on sale. In addition, we also undertake projects ...