The BL 705 Add-On Bird Launcher is a must for those who are looking to simulate real hunting situations in a controlled environment. Loaded with features, like an Easy-Load trap door, the BL 705 Bird Launcher is an effective and essential tool in your dog's training program. This Add-On launcher will add to your BL transmitter (not included). Features: Easy-Load Trap Door for safe and easy loading of birds, Trap Door allows loading of multiple birds and unloading of unused birds, Quiet-Release prevents "spooking" your dog, High quality nets/springs for effective launching and durability, Large scent holes - Up to 700 yard remote range, Add-On remote launchers are easy to program to transmitter (not included), Beeper/Locator on remote receiver make them easy to find, and BL 700 series good for duck/pheasant size birds.