"Take your bird dog training or competitive work to the next level with the Dogtra RR-Deluxe Bird Launching System Remote Controller. Designed to work with the Dogtra PL and Dogtra QL bird launchers, as well as many other popular bird launchers (all not included), this system helps you control launchers spread throughout the field remotely. Offering a 1-mile range between the system's transmitter and receiver, the RR-Deluxe helps you spread your training out to push your dog's abilities. Receiver features 2 ports, allowing you to operate 2 launchers from 1 receiver (with the use of an extension cable). Each receiver also features an ""Attention Getter"" feature so you can attract your dog with a realistic duck sound or a beeping noise. Easy-to-use coding feature allows the system to expand to handle up to 16 launchers with the use of additional receivers (not included). Equipped with Ni-MH rechargeable batteries, system features a multi-colored LED battery life indicator to help you monitor battery strength. RR-Deluxe includes: remote transmitter, antenna, receiver, battery charger with cables, code setting guide, numbering stickers, and owner's manual. Manufacturer model #: RR DELUXE. Remote controller for up to 16 bird launchers Works with Dogtra PL and Dogtra QL bird launchers, and many other popular brands 1-mile range Receiver operates 2 launchers with the use of an extension cable ""Attention Getter"" feature - realistic duck sound or a beeping noise Expandable - up to 16 launchers with additional receivers (not included) Rechargeable Ni-MH batteries - multi-colored LED battery life indicator"