GARMIN GPS 73 Handheld GPS Device

Physical dimensions: 2.6" x 6.0" x 1.2" (6.6 x 152.2 x 3.0 cm)

Display size, WxH: 1.4" x 2.1" (3.6 x 5.4 cm); 2.6" diag (6.6 cm)

Display resolution, WxH: 128 x 160 pixels

Display type: 4 level gray LCD

Weight: 7.2 oz (203.1 g) with AA batteries

Battery: 2 AA batteries (not included)

Batttery life: +18 hours

Water rating: IPX7

High-sensitivity receiver: Yes

Interface: Serial and USB