New Direction Tackle Wi-Fi Sonar Range Extender For Mobile Fish Finder
(2) SIMPLE TO SETUP. Just a few tap away to link your WIFI sonar to ND Extender. 3) LONG RANGE. 5) TABLET HOLDER. It can hold every size tablet. 4) LOW POWER CONSUMPTION. If you use it with ND power bank, it can work more than 70 Hrs.