SANWA RX-471: 4 channel receiver,
Compatible with M12, M11X, EXES X, MT-4, MX-3X, GEMINI X
Lightest receiver in class
Sanwa Super Response ( SSR ) support
Frequency: 2.4GHz FHSS4/FHSS3
Input voltage: 4.8 ~ 7.4V
Dimensions: 30.0 x 23.3 x 14.0mm
Weight: 6.6g