The third generation S314 speed/cadence dual mode sensor features an elegant design, an anti-loss strap, reliable waterproofing, long battery life, and easily switchable dual modes, ensuring a superior user experience. Brand-new Anti-loss Strap, Double Settled Design Double settled design helps to avoid loss even if one part is broken. Fully Upgraded, More Compact The third generation S314 is 12% lighter in weight, 10% smaller in volume, and thinner overall for better compatibility with a larger range of bikes. Multiple Functions The S314 supports both ANT+™ and Bluetooth speed and cadence sensing. Please Note: Only one mode (either speed or cadence) can be active at one time. To obtain both speed and cadence data simultaneously, two sensors need to be installed. Dual Protocols, Compatible with Mainstream Devices ANT protocol compatible: Magene, Garmin, WAHOO, Bryton, XOSS, IGPSPORT, and other bike computers and watches that support ANT+™ protocol Bluetooth protocol compatible: OnelapFit, Onelap, ZWIFT, CYCLEMETER, OPENRIDER, WAHOO FITNESS, Suunto, RideWithGPS, TrainerRoad, The Sufferfest, Komoot, Openrider, Kinomap, Peloton, Rouvy, Fulgaz and other sports apps and watches that support standard Bluetooth protocols. IP66 Waterproof The S314 sensor features a close fitting sealing rubber ring and an upgraded contact point between the card slot and the battery, providing strong waterproof performance. This ensures reliable operation even when cycling in rainy conditions. Specifications: Product Size 35.74*30.80*8.20mm Operating Temperature -10 to 50°C Modes Speed / Cadence Switching Mode App setting, re-install the battery Battery Model CR2032 Waterproof Grade IP66 Wireless Interface ANT+™ Bluetooth 5.0 Weight 7.7g (including battery) Battery Life 500h in operating state (affected by temperature and other operation condition)