🚴【 One click light off 】:Press and hold the car light switch or remote control car light button for 8 seconds to immediately turn off the lights. (After using this method to turn off the light, if you need to use the light function again, you also need to hold down the light button for 8 seconds.) 🚴【 Remaining Battery Reminder 】: A simple and direct display of remaining battery reminder allows you to easily check the remaining battery level and charging progress, and keep track of the battery status of the car lights at any time 🚴【Emergency Power】: It can provide emergency power for your outdoor activities through the USB output function of the car lights, charge your mobile phones and other devices, and serve as a backup power source 🚴【 Super Bright Design 】: The headlights consist of 8 LED beads and 20 SMD beads, with a maximum power of 900 lumens and an illumination range of 800 feet, providing sufficient light source for your nighttime cycling and ensuring your travel safety 🚴【 Material 】: To prevent metal materials from overheating and conducting heat, the car lights are made of high-quality plastic materials, which have excellent impact resistance, heat dissipation, corrosion resistance, and IP44 waterproof rating. When you face sudden extreme weather during your travels, you will be more at ease 🚴【Multi functional use】: In addition to ultra bright lighting, this car light also has a 120 decibel horn function, allowing you to remind anyone on the way, even those in the car, while riding. The perfect bicycle accessory for you or your child Multi functional bicycle headlight set