Flysky AFHDS2A TELEMETRY Module Set (FS-CEV04, FS-CPD01, FS-CPD02, FS-CTM01, FS-CVT01) 

Compatible Receiver: iA4B(directly), iA6B(directly), iA10(need conversion cable) 

Plsa note that the FS-CAT01 version not Compatible I6 I6X remote control!
MODEL: FS-CPD01 RPM Telemetry [magnetic] module 

Monitor range of speed 60000RPM/mins 
Power: 4.0-6.5V DC 
Weight: 6.6g 
Size: 31*15*8.5mm 


MODEL: FS-CPD02 RPM Telemetry [Photo Induction(optical)] module 

Monitor range of speed 60000RPM/mins 
Power: 4.0-6.5V DC 
Weight: 6.8g 
Size: 31*15*8.5mm 


MODEL: FS-CTM01 Temperature acquisition module 

Monitor range of temperature: -40-250°C 
Power: 4.0-6.5V DC 
Weight: 6.8g 
Size: 31*15*8.5mm 


MODEL: FS-CVT01 Voltage acquisition module 

Monitor range of Voltage: 0-100V DC 
Power: 4.0-6.5V DC 
Weight: 6g 
Size: 31*15*8.5mm 


MODEL: FS-CEV04 i-BUS Serial bus receiver 

Channels: 4 
Weight: 8.1g 
Power: 4.0-6.5V DC 
Size: 30*25.6*13mm 
i-BUS PORT: yes