Prodigy Advance Wireless Program, acquire and run your locos & accessories from a wireless handheld, just like wired No need to plug & unplug every time you want to program a loco Easy to use & program No special receivers to install inside locos Wireless & wired Prodigy Advance throttles can be used simultaneously, side-by-side Plug into system console to recharge? continue complete control even while charging Rechargeable battery & built in charger included Built-in voltage display to monitor battery voltage Exception