FrSky ADVANCE (ADV) series has comprehensive sensor types and enhanced the performance and capability of the original sensor line, all ADV sensors fully support FBUS protocol and they are also S.Port compatible. With the FBUS protocol, the ADV sensors can be seamlessly paired with the FBUS capable receiver and further simplifying the builds setup.

The FAS40 ADV current sensor can be used to measure current (maximum 40A) and voltage (up to 6S) when connected between a battery and ESC. 

Specifications:

Dimension: 65.24x15.7x16.6mm (L*W*H)
Weight:15g
Measurement Range: 0-40A
Current Consumption: 16mA@5V
Maximum Safe Current: 40A
Maximum Battery Voltage: 6S
Compatible: Receivers with FrSky Smart Port & FBUS function