logo image projection pen: 1,two marterial can choose:plastic&metal 2,N/G: ... ,length:7.8cm,diameter:1.2cm 3,AG3*4 cells logo image projection pen:1. material:stainless rail and painting.we also have plastic ... brand, the trademark, the projection film may also request according to the customer's need3.color and logo available .4. illumination intense ...