Model AR-22R 115 VAC CORNELL DUBILIER ELECTRONICS DIVISION Series 1 619 For use with AR-1, AR-22, AR-22R, AR10 rotor only. 4 wire input to rotor. As is, I have no way to test. Visual inspection, 10 Plus internal and external. $40, shipped any where CONUS reply by e-mail if interested. Ray K4SRJ