Description: 3 in 1 cycling set-- bike computer set, include a 350 lumen front Bike Light with speedometer, and 120 DB bike bell and red tail light, which enableslighting and bell. One set can meet all your cycling needs.Intelligent battery indicator with code table with controller, built-in high-capacity battery, inner socket USB rechargeable for both- No more costs on batteries The front bike light has a 2500mAh internal battery, which charges 2-3 hours through Micro USB port and uses 3-5 hours; The bike tail light also has an integrated 330mAh battery and a full charge takes about 1.5 hours only. 5 modes conversion-- Bike odometer computer has 5 modes to switch--ODO, DST, MXS, AVS, TM. Precise measurement adjustable for viewing total distance, maximum speed, average speed, cycling time and one way record, suitable for outdoor cycling trip and bicycle training LCD digital display-- Bright screen backlight LCD display with digits ensures easy reading. During day and night, gently touches on the MODE or SET to wake up the backlight screen Versatile-- This bike light set is versatile enough for cycling, hiking, camping, or any outdoor activity and can be used as emergency flashlight. This is great for cycling at night or in places where visibility and safety are concern. Specification: Lamp beads: T6 lamp beads Weight: 100g Product material: ABS Charging time: 2-3 Working time: 3-5 hours, always on, 5 modes: ODO is the full kilometer, DST one-way kilometer, MXS speed limit, AVS is the average speed. TM is the driving time Package List: Choice 1: 1 x bicycle headlightwith rubber base 1 x red tail light 1 x bike horn Choice 2: 1 x bicycle headlightwith rubber base 1 x USB cable 1 x bike horn Choice 3: 1 x bicycle headlightwith rubber base 1 x bike horn