Serious Buyer's Contact Only Email us:- xxxxxxx@xxxxx.xxx Astro is the premier high-sensitivity GPS-enabled dog tracking system for sporting dogs. This unique system pinpoints your dog’s position and shows you exactly where he is, even when you can’t see or hear him GARMIN ASTRO 320 GPS +6 DC 50 COLLAR DOG ---$550 usd GARMIN ASTRO 320 GPS +5 DC 50 COLLAR DOG ---$450 usd GARMIN ASTRO 320 GPS +4 DC 50 COLLAR DOG ---$370 usd GARMIN ASTRO 320 GPS +3 DC 50 COLLAR DOG ---$350 usd GARMIN ASTRO 320 GPS +2 DC 50 COLLAR DOG ---$300 usd GARMIN ASTRO 320 GPS +1 DC 50 COLLAR DOG ---$250 usd Garmin Alpha 100 Handheld with 5 TT15 Collars Cost $700 USD Garmin Alpha 100 Handheld with 4 TT15 Collars Cost $590 USD Garmin Alpha 100 Handheld with 3 TT15 Collars Cost $450 USD Garmin Alpha 100 Handheld with 2 TT15 Collars Cost $350 USD Garmin Alpha 100 Handheld with 1 TT15 Collar Cost $280 USD Serious Buyer's Contact Only Email us:- xxxxxxx@xxxxx.xxx