Description: This RC receiver unit is KO PROPO high speed FHSS compatible GYRO receiver Features: 1. KO PROPO FHSS compatible 2. High performance CPU enhance precision control feeling 3. 2 channel support, ch3 and ch4 are used to adjust gyro sensitivity like KO KR-212 4. Micro size (23 x 22 x 14mm) 5. Added failsafe function 6. Operating Voltage 3.5V – 8.4V: 7. Weight: 5g Compatible Transmitters: KO PROPO EX-RR KO PROPO EX-2 KO PROPO EX-1 RF Module RF-903FH RF Module RF-904FH Package Included: 1 x Receiver