Explain:
The tail lamp is based on the principle of electromagnetic induction, so there is no need for charging or battery.
During driving, the tail lamp lights up automatically. The faster the speed, the brighter the taillights.
The entire tail light is very lightweight and easy to carry, so it does not add extra weight to you.
The seal is made of high quality material, which is waterproof in daily life.
It can be installed horizontally or vertically in different ways.
Specifications:
Name: coming electromagnetic tail lamp
Charging: magnetic power generation
Specification: 53mm * 19mm * 32mm
Installation position: bicycle seat tube
Applicable model: round spoke wheel and flat spoke wheel
Lamp bead: high brightness LED light * 2
Material: high quality engineering plastics
Waterproof: lifetime waterproof
The package includes:

1 * tail lamp, 1 * generator, 1 * indicator, 1 * tie, 2 * rubber strap, 1 * magnet, 1 * generator base, 1 * taillight base and 2 * rubber pad