Bicycle Rear Light - led Rear Light usb Charging,IPX4 Waterproof Rear Bike Warning Light

Intelligent brake sensor: built-in high-density speed sensor, when the vehicle body is decelerating, the taillight can quickly detect the car light for 3 seconds under highlight mode. Bead of High-brightness LED lamp: The perspective lampshade designed according to the Fresnel principle is combined with 16 LED lamp beads with high brightness and soft light without glare. Manual / automatic switching by double -cli.c: When the taillight is working, quickly double-click the switch to switch between manual and automatic modes. Easy to carry: the shape is small and easy to put in a pocket or a backpack, easy to carry. The shell is made of aluminum alloy. The surface is smooth. 6 modes: in manual mode, click the button to switch. Flashing always on-slow flashing-fast flashing-flashing rhythm-flashing ECO.