Garmin Astro 430 Handheld

Features
* Pre Loaded with AU/NZ TOPO Lite Maps
* Tracks up to 20 dogs (with T5 Collars) from up to 7km away
* Compatible with BirdsEye Satellite Imagery (True Satellite View of surrounding)
* 2.6 inch high resolution screen
* Fully waterproof
* AA replaceable battery and optional rechargeable battery pack available
* Fast 2.5 seconds update rate
* Compatible with 7 inch big screen DriveTrack 70 LMT Car GPS and Fenix 3 Watch
* 1 year warranty

General
Physical dimensions: 6.1 x 16.0 x 3.6 cm
Weight: 260g (includes 2 x AA batteries)
Water rating: IPX7
Battery type: Optional NiMH pack or 2 standard AA battery (not included)
Display type: transflective, 65-K color TFT
Display size: 3.6 x 5.5 cm; 2.6" diag (6.6 cm)
Display resolution: 160 x 240 pixels
Battery life: up to 20 hours
Memory/history: 4 GB
High-sensitivity receiver: yes    
Interface: USB
Maps & Memory: yes
Basemap: yes
Preloaded maps: yes (Australia & New Zealand Topo Lite)

Ability to add maps    
Accepts data cards (Maps): Yes, microSD card (not included)
Custom POIs: Yes (ability to add additional points of interest)    
Waypoints/favorites/locations: 2000
Routes: 200
Track log: 10,000 points, 200 saved tracks

Sensors
Barometric altimeter: yes
Compass: yes (tilt-compensated 3-axis)
Outdoor Recreation Features: yes
Area calculation: yes
Automatic routing (turn by turn routing on roads): yes (with optional mapping for detailed roads)
Geocaching-friendly: yes (Paperless)
Custom maps compatible: yes    
Hunt/fish calendar: yes    
Sun and moon information: yes
Garmin Connect: yes
Garmin Connect™ compatible (online community where you analyze, categorize and share data): yes