Description The Garmin AlphaA(R) 300i delivers fast, dependable dog tracking and pro-level training capabilities with the added security of inReachA(R) two-way satellite communication, giving hunters the ability to send SOS alerts, share their location, and message from anywhere-no cell service required. Featuring a bright 3.5" glove-friendly touchscreen, a rugged 6-button layout, and 2.5-second update rates, the 300i tracks up to 20 dogs from as far as 9 miles away, while offering precise training control with 18 levels of stimulation, tone, and vibration. Hunters can view critical dog metrics like distance, speed, and time afield, monitor channel congestion to avoid interference, and use Wi-FiA(R) to download satellite imagery for enhanced navigation and terrain awareness in any environment. Specs Dimensions 2.7" x 6.4" x 1.3" (does not include antenna) Weight 9.9 oz (with standard antenna & battery) Water Rating 1PX7 Battery Type Rechargeable lithium-ion (included) Battery Life Up to 55 hours Memory/History 16 GB Tracking Range 9 miles with compatible dog devices Manufacturer Warranty Limited lifetime against manufacturer defects