For the system to run properly the system must be connected directly to the battery. If you are connecting the system to a commercial vehicle or semi-truck you can connect it to the fuse panel but it must be before the fuse, as to get the appropriate amount of voltage.
No, the heating will only activate when the engine is running. When the engine shuts off, the wiper will no longer heat.
The system has been thoroughly tested by globally recognized testing facilities to ensure the highest product quality possible. SAE Durability testing to ensure product longevity. Our blades have been operated for 500,000 cycles and still continue to provide a streak free windshield. Extreme Temperature Testing to ensure our blades continue to perform even under extreme weather conditions. IP67 Certified to make our system fully protected from dust and withstand being fully submerged in one meter of water. FCC certified to ensure our system will not interfere with any of the vehicles electronics.
The wipers do not heat separately, they are designed to have a continues circuit.