![3 Inch Happ Trackball](/images/stories/virtuemart/product/happ-trackball-3-inch.jpg)
Made in USA. Durable black polycarbonate plastic material. 3" diameter ball. Standard AMOA harness included. Mounting hardware sold separately. Mounting kits available for wood or metal. Can be used as a heavy duty alternative to a mouse for interactive displays when used in conjunction with trackball interface kit. Translucent, illuminated ball optional, external lamp power required.