Wiring:
Yellow: Input Positive(1.5mm²)
Red: Output Positive(4mm²)
Blue: Input Negative(1.5mm²)
Black: Output Negative(4mm²)
Orange: Key Switch(0.75mm²)

Parameters:
Dimensions: 196mm(L)*140mm(W)*66mm(H)

Function:
Battery reversed connect protection
No arc
Can be controlled by key switch directly, no need of external relay
Over temperature protection, shut down at 90°C
Output short protection
Isolate between input and output
Low voltage protection: stop working at low battery voltage