Garmin Alpha 100 Handheld with 2 TT10 Collars

Physical & Performance:
Physical dimensions     2.5 x 6.5 x 1.5” (6.4 x 16.5 x 3.8 cm)
Display size, WxH     1.53"W x 2.55"H (3.8 x 6.3 cm); 3" diag (7.6 cm)
Display resolution, WxH     240 x 400 pixels
Display type     transflective, 65-K color TFT touchscreen
Weight     8.8 oz (250 g) with standard antenna and battery
Battery     rechargeable lithium-ion (included)
Battery life     up to 20 hours (Alpha 100)
Water rating     IPX7
Floats     No
High-sensitivity receiver     Yes
Interface     USB

Maps & Memory:
Basemap     Yes
Preloaded maps     yes (topographic)
Ability to add maps     Yes
Built-in memory     8.0 GB
Accepts data cards     microSD™ card (not included)
Waypoints/favorites/locations     4000
Routes     200
Track log     10,000 points, 200 saved tracks

Features & Benefits:
Automatic routing (turn by turn routing on roads)     Yes (with optional mapping for detailed roads)
Electronic compass     Yes (tilt-compensated 3-axis)
Touchscreen     Yes
Barometric altimeter     Yes
Camera     no
Geocaching-friendly     No
Custom maps compatible     Yes
Photo navigation (navigate to geotagged photos)     Yes
Hunt/fish calendar     Yes
Sun and moon information     Yes
Tide tables     Yes
Area calculation     Yes
Custom POIs (ability to add additional points of interest)     Yes
Unit-to-unit transfer (shares data wirelessly with similar units)     Yes
Picture viewer     No
Garmin Connect™ compatible (online community where you analyze, categorize and share data)     Yes

Additional     
Range: up to 9 miles line of sight
Frequency band: MURS (The T 5 and TT™ 15 are only compatible with the Astro® 320 and the Alpha™ 100. The T 5 and TT 15 can be configured for operation with either handheld but cannot be tracked simultaneously by both the Astro 320 and the Alpha 100.)
Tracks up to 20 dogs (TT10) and buddies (Alpha 100) simultaneously