BRIGHTER+STRONGER: Each Led safety light is equipped with 30 super bright LEDs, it supports dual colors,5 eye-catching lighting modes (Red,Red Flash,Red/White Flash,White,White Flash).High visibility,it is an essential compatible with daily outdoor activities such as runners lights compatible with night safety,Scooter blinking lights,dog walking, Strollers light...you can be easily seen from hundreds of feet away when wearing this Brighter and Stronger safety lights.FASTER CHARGING, LONGER LASTING: Built-in 250mAh lithium battery,this rechargeable led safety lights support faster USB recharging, it takes only 1.5-2 hours to full charge,while the STAY LIT up to 10-20 hours.Reincompatible withced material,Slim water drop shape design,iron adhesive hook,the 2 pack Led Safety Lights Service Life is no less than 30,000 hours.WATERPROOF & DURABLE: Our safety light is designed to be durable,long lasting and waterproof(IPX4).You can count on them to keep visible and safe during most outdoor activities in any weather,the waterdrop shape body is durable enough to survive under heavy rain or snow.UNRIVALED VERSATILITY & EASY TO INSTALL : This led light is perfect running lights compatible with runners,it is multifunctional,you can use it at night or in places wherever visibility and safety are concern.it is versatile enough compatible with Cyclists,Runners,Joggers,Walkers,Kids,Strollers,Pets and even can be used as emergency flashlight.it is easy to install,you can hook on backpacks, pockets, belt, running gear, armbands,pet collars,anywhere on your clothing, or onto the included elastic nylon buckle straps.Colour: blackMaterial: plasticPackage Contents:2 * Bicycle light2 * USB cableOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error is +/- 1-3cm.