GARMIN FORETREX 901

General
FIT WITH QUICKFIT™ WATCH STRAP Yes (26 mm) PHYSICAL DIMENSIONS 7.4 x 4.3 x 2.3 cm (2.9″ x 1.7″ x 0.9″) SCREEN SIZE 2.2″ diagonal SCREEN RESOLUTION 320 x 240 pixels SCREEN TYPE Monochrome pixel memory (MIP )WEIGHT108g (3.8oz) with batteries WATERPROOFIPX7 BATTERY TYPE2 AAA batteries (not included)BATTERY LIFE Up to 100 hours in GPS modeUp to 1000 hours in expedition modeMIL-STD-810Yes (heat, shock, water); only empty device INTERFACE USB-C
Maps and memory
TRACKS500 TRACKS100 TRACK LOG10,000 ROUTES50
Sensors
GPSYesGLONASSYesGALILEOYesMULTI-FREQUENCY POSITIONERYesBAROMETRICAL ALTIMETERYesCOMPASSYes (tilt-compensated 3-axis)GPS COMPASS (WHILE MOVING)Yes
Everyday smart features
SMART NOTIFICATIONS ON THE SPRAY Yes COMPATIBLE WITH THE GARMIN CONNECT™ MOBILE APP Yes
Tactical features
STEALTH MODEYes DARK VISION MODEYesDUAL COORDINATESYes OFF SWITCHYes
Features of outdoor activities
POINT TO POINT NAVIGATIONYes TRACBACK®Yes AREA CALCULATION Yes HUNTING/FISHING CALENDAR Yes SUN AND MOON INFO Yes
External use
COMPATIBLE WITH GARMIN EXPLORE™ APPYesCOMPATIBLE WITH GARMIN EXPLORE WEBSITEYes
Connections
WIRELESS CONNECTIVITYYes (Bluetooth®, ANT+®)