Up to 100 lux & intelligent automatic brightne adjustment So that your journey has a better lighting effect and the best battery life, Toptrek bicycle light increases the maximum brightne at the front to 100 lux. There are 4 modes: 100 lux, 70 lux, 45 lux and auto. The intelligent light control mode automatically adjusts the brightne to the road conditions around you, thus saving energy and electricity. Large-area spot design & near-field lighting Bicycle light set The spot design of the headlight corresponds to German standards. A near field lighting design is added to the spot and the viewable distance is 200 m, ensuring the brightne of the main lighting area but also taking into account the lighting of the near field part so that you can better see the road conditions. K certification & OSRAM LED Toptrek bicycle light LED set of the bike have paed the StVZO, CE, ROHS certification and are approved by the German Road Traffic Act and have been awarded the K certification. The headlight uses OSRAM LED lamp beads to ensure the quality of the light source. USB charging and power display function Toptrek bike front lights and rear light support USB charging with the latest Type-C interface, which is convenient for charging. The bicycle light bicycle front light has a performance display function: 100%, 70%, 50%, 25% and 20% (bright red light). IPX5 waterproof & battery life The bicycle light set front light and rear lights have an IPX5 protection cla and can also provide lighting on rainy days to ensure your driving safety. The front light has 4 brightne modes that provide 2-6 hours of battery life, and the rear light battery offers 4 hours of battery life. Product features: Toptrek LED bicycle lights front lights have 4 lighting modes: 100 lux (high), 70 lux (medium), 45 lux (low) and auto. Battery life: 2-6 hours for the front light, 4 hours for the rear light. The bicycle lamp front light have a reminder function for weak batteries: 100% -> 70% -> 50% -> 25% -> 20%. Toptrek bicycle light set Convenient charging: Both front and rear lights support charging via USB with the latest Type-C interface and can be charged with a power bank, computer, etc. Product parameters: Front light product model: LF-25K Certifications: StVZO / CE / ROHS LED specifications: OSRAM LED Visible distance: 200 m Battery: high quality lithium battery 18500 Automatic lighting: from 45 lux to 70 lux (day) and from 70 lux to 100 lux (night) Side view: ye Size: 37.9 x 81.6 x 104.7 mm Weight: 91g Water resistance: IPX5 Battery capacity: 1300mAh Material: ABS, PMMA Battery life: 2-6 hour Charging time: 5 hour Taillight LR06K Certifications: StVZO / CE / ROHS LED specifications: OSRAM LED Size: 46.8 * 44.6 * 39.3mm Weight: 40g Water resistance: IPX5 Battery capacity: 200 mAh Material: PMMA, ABS Mode: On -> Off Battery model: LIR2025 Battery capacity: 200mAH Charging time: 2 hour Operating time: 4 hour Waterproof: IPX5 Charging reminder: Charging - blue light on the switch, battery full - green light on the switch Low battery reminder: When the battery level is below 20%, the blue light will be on Package included: 1x front light 1x rear light 1x rear light belt 1x bracket 1x USB charging cable 1x instruction manual