The Velocitek Makai is the first GPS thats specifically designed for SUP (Stand Up Paddling). It measures the Doppler shift in GPS signals to calculate your speed every half-second.The Makai’s big numbers let you see speed, distance, and elapsed time at a glance. You can pace yourself and refine your technique, without interrupting your stroke to look at a watch.Velocitek is based on the North Shore of Maui. The Makai was designed to the specifications of the professional SUP racers who live and train here. The result is a product that can handle extreme conditions.The Makai recalls your maximum and average speeds for a session to help you track your progress and evaluate equipment choiceThe Makai comes with two low-profile mounting plates so you can conveniently switch it between boards.FeaturesLarge NumbersSmooth Reactive ReadingsEasy to useNo Screws: just stick the mount to your SUP board using the tape provided and attach the Makai whenever you wantComes with spare mountSpecificationsSpeed Accuracy: 0.1 mph / 0.16 km/hSpeed Units: mph or km/hDisplay Update Rate: secondWater Resistance: 3m / 10 ft (IPX8)Battery Type: Rechargeable Li-IonBattery Life: 40+ hoursDimensions: 4.9″ x 3.1″ x 1.2″ / 13cm x 8cm x 3cmWeight: 6.6oz / 187gWarranty: Two yearsContentsMakaiOne mounting plate with 3M VHB adhesiveUSB charging cableExtra charging port lidQuick Start Guide