Please create ma leaked current on power sonoff device

hi,i have power r3 25 A,i am happy with this but no local screen and not leaked ma current 10-300ma
also can be very helpfull frequency on screen and app,in some place exist big variation of frequency(HZ)

i see tomzn TUYA APP have already,ALSO 63 AMPS???!???
I cant test now 63 amps,but i believe works well