Polar's new G1 GPS sensor adds all-terrain speed and distance capability to the RS200, RS400, S625X, and S725X training system
Adds all terrain/all weather speed and distance capability
Coded transmission technology for interference-free operation
Compatible with all Polar RS200, RS400, S625X, and S725X wrist units
Maximum speed with RS200, RS400, S625X, and S725X is 18.3 mph
Operates on one AA battery (included)
Includes G1 GPS sensor, elastic arm band, and storage pouch
Will not operate indoors, must have view of sky to operate
Two year warranty
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