Easy Power Connection: Powered by the 12V car battery, no additional power source needed, simple and convenient installation Reverse Connection Protection: Prevents damage caused by incorrect wiring, ensuring safe operation Auto Self-Check Feature: Upon first activation, the device runs an automatic self-check, testing the red light, white light, and high-frequency transmitter Low Voltage Detection: Monitors battery voltage and sounds an alarm if the voltage drops below 9.2V, preventing battery drain and protecting the battery Variable Frequency Output: The device alternates between sweep and fixed frequency outputs to reduce rodents' auditory resistance, increasing effectiveness Flashing White LED: Equipped with a flashing white LED for enhanced deterrence in the vehicle Vibration Detection: Stops working when the car is in motion, reducing power consumption. Resumes operation 5 minutes after the vehicle stops to protect the car from rodents when parked Specifications: Material: ABS Voltage: 12V