Compatible With Tri-tronics 1038100 1107000 CM-TR103 1038100-D 1038100-E 1038100-G, Field 90, Sport 65 BPRS, Sport 80C, Sport 80M, Beagler (1999 - 2001), Beagler XL, Classic 70, Classic 70XLS, Field 70 (1999 - 2001), Flyway Special XL, Flyway Special XLS, Multi-Sport 2S, Multi-Sport 3S, Sport 50S, Sport 60S, Sport Series- 50, 60, 65BPR, Pro 500XL, Pro 500XLS Remote Controlled Dog Training Collar Receiver