Spektrum S6170 Standard Digital Surface Servo: Waterproof SPMSS6170 is compatible with ECX03000, ECX03001, ECX03002, ECX03003, ECX03004, ECX03005, ECX03006, ECX03007, ECX03008, ECX03009, ECX03011, ECX03012, ECX03013, ECX03016, ECX03017, ECX03020, ECX03021, ECX03022, ECX03023, ECX03024, ECX03025, ECX03027, ECX03031T1, ECX03031T2, ECX03032T1, ECX03032T2, ECX03041, ECX03042, ECX03043, ECX03048IT1, ECX03048IT2, ECX03048T1, ECX03048T2, ECX03054, LOS03002, LOS03003, PRB07000, PRB08008, PRB08009, PRB08011, PRB3050B, VTR03003, VTR03004, VTR03005, VTR03006, VTR03007, VTR03008, VTR03009, VTR03010, VTR03011, VTR03012, VTR03016, VTR03022, VTR03024, VTR03028, VTR03035, VTR03036, VTR03037, VTR03041, VTR03042, VTR03046, VTR03047, VTR03054, VTR03101T1, VTR03101T2, VTR04000, VTR04001