RCVR receivers are rugged design, the receiver is perfect for any type of training environment. Replace a lost or chewed up (it happens!) receiver or add to a 1-Dog system to convert to a 2-Dog system! 

RX-70 for ME-Micro Educator

RX-90 for ET-300 Mini Educator and 400 series transmitters (ET and K9 versions)

RX-120 for ET and K9 800 series