Garmin offer a huge range of GPS enabled products that assist you out in the field. We often take for granted how easily things can go off track while in the bush, and with the Garmin range you can make sure you get home again. 

Items like the Xero A1i bow sight pairs with the Garmin Instinct watch to give you mapping and way point information. While the Garmin GPSMAP 66i also pairs and gives you TOPO maps and SOS capabilities.