CYGO COMBO ZOT 250/DICE TAIL-LIGHT 50 USB250 lumen headlight with 8 modes, 50 lumen tail light with 8 modes, engineered for use on roads and commuting USB rechargeable internal headlight battery lasts up to 100 hours, and tail light lasts up to 65 hours Low profile, water resistant design headlight only weighs 60 grams and tail light only 30 grams Built in 24 7 Safety Technology gives you a powerful selection of night and day modes, headlight features 8 modes, tail light features 8 modes