... , quakeproof.Mainframe chip adopts ARM7 structure of 32 processors.Intelligent Vocal TechnologyVocal intelligent technology initially adopted in surveying field, vocally indicate operation ... Adjustment, Height Fitting, ReportData StorageBattery:Double Lithium BatteriesCompatibility:Baseline Combined Solution, Combined Surveying and Calculation with Different Brand Instrument Memory:64MVoltage:7 ...