There are 3 models for pull-out serie LED magnifiers,7821(2x),7822(4x) and 7823(6x).
Pull-out LED magnifier is made of crust,battery box,ontology lens and LED light.Ontology lens and crust is thrusting type connection.There is LED light on ontology lens.It's powered by 2pcs of button batteries.When using,pull the lens to the first gear,LED light will not be on.And pull the lens out to the end,LED light will be on.When no using,please push the lens into the crust,to avoid scratching.

The size is small,easy to be carried.It is with 1pc of super bright LED light,white light will not change color of obeserved objects.It can be used as a small torch when in night.It is designed with pull-out switch.It is matched with 2pcs of 1.5v button batteries,energy saving,it can last about 8 months if non-continues using.

It's suitable for reading,stamp collecting,checking circuit,appreciate antique and jade.