inputs.text: gps works hard use battery life terrible - casual user would not recommend product interested actively figuring product could work 2 days use successfuly created uploaded google earth files really cool reason bought product however also found following 1 device eats batteries reloaded single aa battery twice 2 days used product brief periods indoors near window product take find satellites takes set unit came back later find unit timed turned turning back started process pc software nonprofessional hard use looks like windows 31 application 3 manual minimal best 4 ui device not intuative