GIYO bicicleta inteligente Freno de carga reflejo luz trasera

Overview: Smart brake tail light, smart sensor, USB charging, six modes, long battery life, dual bracket installation, waterproof life. Built-in high-density speed sensor, when the body is decelerating, the taillight can also quickly detect the highlight mode of the car light for 3 seconds. Specification: Product material: Aluminum alloy + ABS. Charging time: 2 hours and 20 minutes Charging current: 5V-280mA Light mode: Manual/auto Installation method: Seat cushion/seat tube Waterproof rating: IPX4 Package Contant: 1 x Taillight