UELFBABY bicycle tail light is ultra bright, fashion, lightweight and keep you safe in outdoor sports! – USB RECHARGEABLE – 6 LIGHTING MODES – EASY CONTROL BUTTON – HORIZONTAL OR VERTICAL MOUNTING – SMART CHARGING ALL IN ONE DESIGN BIKE LIGHT * 120 lumen LED COB * 240 degree visibility * IPX 6 water resistant * More application WARNING! DO NOT charge over 5V 1A. DO NOT look at or shine this lamp directly into eyes. Keep away from Children. Charge the light in time when battery is low or off. NEVER throw this lamp into fire.