KR-411FH is a 2.4GHz FHSS 4 channel receiver.

Compatible with EX-RR, EX-2 KIY, EX-1 KIY, EX-10Eurus(RF-904FH),EX-1UR(RF-903FH) with FHSS.
28.0 x 18.3 x 18.5 mm 7.5 g
input 4.8~7.4 V
Coaxial Antenna
Gold Connector pin
Quick Binding
Fail Safe Function