... Laser Pointer,powerpoint wireless Laser pointer, slide changer, remote presenter , Optional memory ,Custom logo Item Name:PP-800 Laser PointerItem No.: PP-800 Product Description:1.Remote ... use rubber and high quality painting Specifications1.laser pointer, slide changer 2.remote presenter 3.Optional memory 4.Custom logo, ... .0 Working voltage : 4.5-5.5V Presentation Laser Pointer with USB connection