RX-090 Replacement ReceiverThe RX 090 receiver is the perfect choice for dog obedience training. Due to the rugged design, the RX 090 receiver is perfect for any type of training environment. This RX 090 receiver comes in a variety of strap colors, including red, black, orange, and yellow. You can also choose the bare RX receiver if you already have a strap. Replace a lost or chewed up (it happens!) receiver or add to a 1 Dog system to convert to a 2 Dog system!