B-Fast is a Smart Relay that senses when the engine is running!
The integrated microprocessor senses when the engine is running and triggers the built in relay.
Connect one end to the battery and as soon as the engine is running you will have power on the output terminals.
When the engine is OFF the power will be automatically shut off with a 20 seconds delay.
Short Circuit Protection / Overvoltage Protection / Reverse Polarity Protection
Operating voltage 9V to 19V