... ranging system Hi-Target ZTS-120/120R series total station integrated the high precision ranging system, which combined ... 5m instrument heightPower supplyBattery TypeLithium-IonVoltage/CapacityZBA-400:7.4V 3000mAhOperating time withZBA-40016 hours24hous(Continuous Angle Measurement ... PJK brand land surveying instrument, the PJK brand covers total station, theodolite, level,RTK GPS, GIS, handheld GPS, ...