Garmin Approach G5 Black Waterproof GPS Golf Touchscreen Rangefinder.

Rugged, waterproof golf GPS unit with 3-inch sunlight-readable touschsreen display.

Preloaded U.S. course maps, including fairways, hazards, and greens.
No annual fee; new maps available for download from Garmin.com.
Measure shot distance with highly sensitive readings to eliminate guesswork from your game.
Digital scorecard for up to four players; save and review the scores on your computer at home.

Unit dimensions: 2.3 x 4.5 x 1.4 inches (W x H x D) Display size: 1.53 x 2.55 inches (3 inches diagonal)
Display resolution: 240 x 400 pixels
Display type: Transflective color TFT touchscreen Weight: 6.8 ounces (192.7 grams) with batteries Battery: 2 AA batteries (not included); NiMH or Lithium recommended Battery life: Up to 15 hours

Waterproof: Yes (IPX7)
Interface: USB