タイトルまたは説明

Can be light under water ******0m, with three function: strong light, weak light, quick flash,use for diving, lighting, camping   
It is a good portable light for the daily use.

So if you like swimming, diving, camping, it is a right choice
If you want to go out in the night, you can take it with you, it is easy to taken, with the lanyard on it

The design of it is anti-roll, so you can hold firmly in your hand
It is shock-resistant, so when it drop on the ground, no hurt will be caused..