1.RC Green Laser USB presenter RF Pointer 2.Page up & down 3.Add memory capacity 4. ... receiver 5.Made in China RC Green Laser USB presenter RF Pointer Product name: wireless presenterBattery:2 pcs AAAMaterial:plasticColor:BlackLogo ... ,Laser light:green laser light Features:1.green laser pointer,RF technology, page up&down,usb plug(no driver request)2 ...