TwoNav Aventura, the flagship handheld navigator with a 3.5" sunlight readable transflective screen, waterproof and best battery life.
TwoNav Sportiva2 is a compact 3" sunlight readable LCD screen with dual function configurable buttons for quick function access. Ideal for hikers.
TwoNav Sportiva2+ the bikers and runners GPS with heartrate monitor and cadence sensor included. Excellent fitness features and functionality.
TwoNav Ultra, most compact wristwatch GPS in it's class Ideal to interchange from wrist strap to bike mount. Has all the functions a Sportivas2+ has.