Front light specifications: LED type: TG3 Battery: 102540 Li-ion - 1100mAh Max Lumens: 400 lumens Charging Time: 2 hours Run Time: 3.5-6 hours Lighting color: 6000K White Charging Port: USB-C Material: Aluminum Body, Plastic Head Handlebar mount included Modes and run times: 100%(3.5h) 60%(5h) 30%(6h) Flash(6h) Rear light specifications: LED type: COB LED Battery: 400mAh Max Lumens: 50 lumens Charging Time: 2 hours Run Time: 1.5-8 hours Size: 56 x 25 x 16mm Weight: 43g Charging Port: USB-C Material: Aluminum Body Modes and run times: 100%(1.5h) 50%(3h) Breathing(5h) 3 types of flash (8h) Double-click to toggle between steady modes and flash modes Press and hold switch for 2 seconds to switch off