Features:

Self-powered, kinetic energy into electrical energy.

Battery-free, powered by motion.

IPX8 Waterproof, do not worry about when you go outside.

Multifunctional, can use as party props,running light,emergency light and so on.

Unlimited runtime, do not worry about the use time.

Automatic switch, easy to use.

With elasticated wristband.

Cool, fashion and nice surface.

Specification:

LED: Yes

Net weight: 28g

Color: Green, Black, Blue

Waterproof: IPX8

Size: 56*32*22mm

Work temperature: -40℃-60℃

Lifetime: Unlimited

Package includes:

1 x Light

1 x Bandage