Descriptipn: Brand:Corona Item No.:CR4SF Item:2.4Ghz 4Chennels Receiver Voltage Range:3.6V~8.5V Max Operating Current:45mA Operation Temperature: -10~70degC Latency:6.8mS Sensitivity: about -95dBm for R4SF Weight:7g Compatibility: for Futaba S-FHSS 2.4GHz transmitters, such as T6J, T8J, T10J, and T14SG under S-FHSS Protocol mode, support S.BUS Port.