The Toyota Prius Hybrid 2004-2009 Battery Voltage Sensor Control module 89890-47070 is a high voltage control unit designed for easy installation on the front of the vehicle. Manufactured in Japan by Toyota, this pin-type sensor ensures reliable monitoring of battery voltage levels in hybrid vehicles. With its specific OE/OEM part number and compatibility with the mentioned vehicle models, this control module provides essential functionality for maintaining optimal performance of the hybrid power system.