"GPS DATA LOGGER KIT COMES WITH TWO CHECKMATES AND TWO OF EACH AUXILLARY COMPONENTS TO INCLUDE,QRG,USER GUIDE,SOFTWARE,(1) TEST BOX,COMPUTER INTERFACEMODULE,THUMPER MODULE,THREE TYPES OF BATTERY PACKS,(1) BATTERY CHARGER,24 INCH GPS ANT. EXTENSION CABLE 24 INCH, BATTERY PACK EXT. CABLE, REMOTER SWITCH, 3FT USB CABLE, TRIMBLE GPS ANT.(1) AC WALL ADAPTER."