This slim, light and waterproof T31 Coded transmitter offers coding to prevent cross-talk from other electrical devices for accurate measurement of your training. ECG (electrocardiogram) accurate and built to last with up to 2500 hours of training usage.

This slim, light and waterproof T31 doesn?t have the benefit of coding for interference free transmission. However, its purpose remains the same: to transmit your heart rate to your wrist unit ECG (electrocardiogram) accurately.

….S.? back panel technology ? a dynamic, self-adjusting, ventilated panel that moves the pack away from your back. The H.O.S.S.? also features a waterproof main compartment with easy to use roll-top closure (like a dry bag for boating).

…GPS navigator perfect for outdoor activities that require the use of both hands. Foretrex 301 combines a high-sensitivity GPS receiver, rugged, waterproof design and USB interface into a lightweight device ideal for hikers, skiers, campers and military personnel.

…a slim wrist-mounted GPS navigator perfect for outdoor activities that require the use of both hands. Foretrex 401 combines a high-sensitivity waterproof GPS receiver, electronic compass and barometric altimeter into a lightweight device ideal for hikers, skiers, campers and military personnel. To…

Take your adventure home with ATC3K, the ultimate waterproof action cam!, The Atc-3k offers up to 4Gb of recording time (4 Hours).

Take your adventure home with ATC2K, the ultimate waterproof action cam! Weighing in at half a pound (with batteries), this self-contained, hands-free digital video cam delivers full color digital video in 640 X 480 VGA at 30 frames per second - even underwater.

Take your adventure home with ATC2K, the ultimate waterproof action cam! Weighing in at half a pound (with batteries), this self-contained, hands-free digital video cam delivers full color digital video in 640 X 480 VGA at 30 frames per second - even underwater.

…1.5? LCD screen and photo capture function, makes ATC5K an unparalleled action camera which every sports lover / family must have. The ATC5K is waterproof to 10 feet! PC and MAC compatible, Oregon Scientific ATC5K works seamlessly with most video editing software.

…1.5? LCD screen and photo capture function, makes ATC5K an unparalleled action camera which every sports lover / family must have. The ATC5K is waterproof to 10 feet! PC and MAC compatible, Oregon Scientific ATC5K works seamlessly with most video editing software.

Take your adventure home with ATC3K, the ultimate waterproof action cam!, The Atc-3k offers up to 4Gb of recording time (4 Hours).

….S.? back panel technology ? a dynamic, self-adjusting, ventilated panel that moves the pack away from your back. The H.O.S.S.? also features a waterproof main compartment with easy to use roll-top closure (like a dry bag for boating).