Cateye Sync Wearable 35/40Lm Wearable Light. A wearable rear bike light that can be mounted on your seatpost, backpack, clothing, saddle bags, and more Cateye Sync. The new Cateye Sync technology gives you more control than ever. By using the smartphone app (available through Google Play and App Store) you can see at the touch of a button your light’s battery life and control your light’s modes. This is especially useful when using multiple Cateye Sync bike lights Light Modes. Cateye’s Sync Wearable comes with six different light modes which can easily be toggled through using the Cateye Sync app. The different modes make it easy to find the perfect lighting for your current environment and depleting battery life. The modes include a Group Ride mode which keeps you visible but doesn’t distract fellow riders and the Daytime HyperFlash mode which can keep you visible even in direct sunlight High: 30 lumens – 1.5 hoursLow: 2 lumens – 18 hoursFlashing: 50 lumens – 45 hoursRapid: 50 lumens – 16 hoursGroup Ride: 50 lumens – 12 hoursDaytime HyperFlash: 50 lumens – 25 hoursUSB Rechargeable. To save you time and money the light comes with an internal lithium-ion polymer battery which is USB rechargeable. With the supplied cable you can easily recharge the light through any standard USB port for quick and easy charging on the go. Using the Cateye Sync app you easily know when it’s time to charge and the light can be fully recharged in just 2.5 hours with a battery life of up to 25 hours Mounting. The light comes with multiple different mounting options coming with a clip bracket and universal band. The universal band allows you to mount the light to your seatpost fitting both standard and aero bars with a size of 22-32mm. Meanwhile, the clip bracket can be used to securely attach the light to backpacks, clothing and panniers Features. COB LED6 different light modesIncludes Group Ride and Daytime HyperFlash modeUSB rechargeable lithium-ion polymer batteryLow battery indicatorOptiCube lens technologySuperior side visibilityComes with rubber strap bike mountClip-on bracket for further installationCateye Sync technologyWeighs 21gDimensions: 45.5 x 44 x 20mmBuy Cateye Lights from Chain Reaction Cycles, the World’s Largest Online Bike Store.