Product Details: Lamp bead: T6 lamp bead Front light battery capacity: 1300mAh Tail light battery capacity: 330mAh Lumen: 300 lumens Size:  Approx. 14*15*4cm Headlamp mode: full brightness/half brightness/fast flashing/slow flashing Features: ADVANCED DESIGN: USB rechargeable front and tail lights, built-in 1300mAh rechargeable lithium battery for headlights, and built-in 330mAh rechargeable lithium battery for taillights. MULTIFUNCTIONAL: This bike headlight is versatile enough for biking, hiking, camping or any outdoor activity and can be used as an emergency torch. This is perfect for biking at night or where visibility and safety are important. EASY TO INSTALL: The front lights are equipped with mounting brackets that can be easily fixed to the handlebars and can rotate 360 degrees. The silicone mounting strip for front lights and taillights is designed with four openings and can be tightly installed around most size seat poles. Both the front and tail lights can be easily loosened and fixed without the need for any tools. FOUR LIGHTING MODE OPTIONS: Front light modes: Full light, half light, fast flashing, slow flashing. Tail light modes: Full light, fast flashing, full flashing, strobe Product List: 1 X Front Bike Light + USB Cable 1 X Tail light + USB Cable 1 X Bike Light Set with 2 Charging Cables Note: When charging, the LED indicator of the front light has a red light, and when charging is completed, the LED indicator will change to green.