Product detailsHigh tech， ultra-bright LED， operation life up to 100，000 hours， never need replace Water resisitant， shockproof， and erode prevent design， be your great assistant to cope with bad outdoors environment luminescence ultra-bright LED， no flicker and lowest power-consumptionHigh intensity 5 LED bicycle head light and 5 LED taillightMulti-function， guiding your way in the dark5 LED head light features: 5 Super bright white LED bicycle head light5 LED bulbs， luminance up to 11000-13000， operation life up to 110000 hours2 different operation models: steady and flashingMulti-function: bicycle head light， torch and divingQuick release bracket， portable attach to your bicycleMaterial: plasticColor: black Battery: 4 x AAA batteries (not included)Size: 3cm x 10cm5 LED taillight features:5 red LED， wide beamIC control 7 function modeQuick release bracket， portable attach to your bicycleBurn time: up to 150 hoursVisibility: 2500 feetMaterial: plasticBattery: 2 x AAA batteries (not included)Size: 60cm x 35cm