Physical & Performance:

Unit dimensions, WxHxD:     1.8" x 2.7" x 0.6" (4.5 x 6.9 x 1.4 cm)
Display size, WxH:         1.0" x 1.0" (2.5 x 2.5 cm) diameter
Display resolution, WxH:     52 x 30 pixels
Touchscreen:             no
Weight:             1.8 oz (52 g)
Battery:             rechargeable lithium-ion
Battery life:             3 weeks in power save mode; 8 hours in training mode
Water resistant:         yes (IPX7)
GPS-enabled:             yes
High-sensitivity receiver:     yes

Maps & Memory:

Basemap:             no
Ability to add maps:         no
Accepts data cards:         no
Lap history:             1000 laps
Waypoints/favorites/locations:     0
Routes:             0