LED Smart Induction Bicycle Front Lamp 800 Lumen USB Rechargeable Bike Light With Horn Night Riding Safety Cycling Flashlight 1.Dual-light dual-light function (using dual T6 light beads, in the fourth mode of intelligent mode, dual-light light is on, and the brightness is automatic 2.Five types of horn sound (often pressing the switch for 5 seconds to switch the horn sound, and there is a protection function for horn misoperation 3.Large capacity 4000mAh rechargeable lithium battery 4.Charging while using function (in the case of 6 hours battery life is not enough, you can connect the power bank to continue using 5 4 grid power display function (6.Intelligent brightness adjustment function The brightness automatically adjusts the brightness with the ambient light, saving energy consumption and improving battery life) 7 Dual beam / high beam dual lamp beads design 8.Auto start and stop in smart mode, stop for three minutes, automatically turn off the headlights, and the body vibration lights up again Specifications: Product Name: Bicycle Horn Light Lumen Index 400 * 2 Lamp beads: T6 * 2 Battery capacity: 4000mAH Volume decibel: 120 Shell material: ABS Size: 10.8 * 5.2 * 4.4CM Life time: highlight 6H intelligent 12H low 20H Lighting mode: bright / smart mode / double flash / low light Waterproof level: life-level waterproof Charging method: USB direct charging Package Included: 1 * front light 1 * data cable 1 * bracket