This unique system pinpoints your dogs position and shows you exactly where he is, even when you cant see or hear him. The Astro system includes the redesigned Astro 320 and the rugged, orange polyurethane DC40 transmitter collar. The collar accommodates most e-collar receivers, eliminating the need to put two separate collars on a dog. Plus, Collar Lock creates a 4-digit PIN number that helps prevent others from seeing your dogs whereabouts a useful feature in field trials to ensure that an Astro is used only as a recovery tool when a dog in competition becomes lost. To get started, just take Astro outdoors and turn on the handheld and transmitter to acquire GPS satellite signals. Then attach the DC 40 to your dog. Now youre ready to turn him loose no other setup required. Both durable... Less

Durable carrying case features clear vinyl lens and holes for operating buttons.

GPS Precision Accessories Co., LLC GPAC 1209 Portable Power Solution Efficient - Simple - Flexable - Fool Proof Key Features: Utilizing a 12 volt 9 amp hour Sealed Lead Acid Battery (SLA) enclosed within a 1000 denier, highly visible safety orange Ballistic Nylon case; the 1209 features 2 fused 15 amp outputs with Anderson Power Pole connectors and a built-in cable pouch that houses the output cable connectors, cables and accessories. The case is equipped with non-conductive heavy duty zippers and a soft grip carry strap. GPAC 1209 Battery Pack for Trimble 4000 GPS This is a complete kit consisting of: 12 Volt, 9 Amp Hour Sealed Lead Acid (SLA) battery 1000d Ballistic Nylon Case with a zippered cable compartment 2 - 12 volt outputs fused at 15 amps 13.8 Volt 1 Amp Dual rate Automatic... Less