The system only works in the currently displayed mode. Maximum load: 16A(2) 3680W. load: 16A (2) 3680W. Temperature range: -40 120 ~ 120 ℃ / -40 ℉ ~ 248 ℉. 1 User Manual. Pressed Steel Unbraked Trailer Hitch Coupling For 50mm Box Max 800kg Fitting UK~.