Specifications

material:aluminium.
It can be used for camping or cross-country.

.It can be rechargeable.

It has a  lot of functions.

Especially you rotate its magnet ring,

It will make five different light.When you turn on it,the first swith ,it is 100%light, then you switch again ,it is 50%light,then you switch again,it is 25%light,then you switch again,it is flashlight,then you switch again,

It is the SOS signal light.