"2.4 IN X 6.1 IN X 1.3 IN(6.1X15.5X 3.3CM);DISPLAY SIZE, 1.5 IN X 2.2 IN(3.8 X 5.6 CM);160X240 PIXELS, 4 LEVELGRAY LCD;7.0 OZ WITH BATERRIES, (198 G)BATTERY LIFE UP TO 18 HOURS;SERIAL AND USB INTERFACE, NON WATERPROOF; BUILTIN BASEMAP WITH AUTOMATIC ROUTING;256 LEVEL COLOR TFT;HIGH SENSITIVY GPS RECEIVER FOR HEAVY TREE COVER AND DEEP CANYONS"