The FieldScout CM1000 Chlorophyll Meter offers "point and shoot" technology to measure relative chlorophyll content. Laser guides outline the edges of the measured sample area. Calculates and displays a running average for multiple readings. Connects to any GPS receiver that has serial output options. Equipped with internal data logger and RS-232 port. Records over 3,000 measurements (1,350 with added GPS/DGPS option). Configure and download your data with the FREE FieldScout Software available on our website. If you have a SpecConnect subscription, you can then upload the data to utilize available reporting features. Includes hard carrying case, USB to 3.5mm Stereo Plug Adapter (Item #3661U) and batteries.