CURT 51701 Betterweigh Mobile Towing Scale w/ Towsense Technology

Measures real-time vehicle-trailer weights for safer, easier towing and hauling
Bluetooth connection provides active readouts on the driver’s smartphone
No-install, plug-and-play setup into vehicle diagnostic port (OBD-II) below the dash
Weighs vehicle, trailer, cargo, tongue and pin weight and weight distribution
Accurate within + / – 5%
Offers easy brake controller setup by measuring exact trailer brake gain needed
Wireless, compact, portable design
Downloadable app available for Apple iOS and Android OS