【Multi-Mode Pest Repellent】Featuring high-frequency ultrasonic waves, low-frequency high-decibel sounds, and flashing red lights to effectively deter rodents from your vehicle. 【Automatic Variation】Continuously changes ultrasonic frequencies and light patterns to prevent pests from adapting, ensuring long-term effectiveness. 【Powerful Deterrent Sound】Emits a 129 dB cat-like sound, mimicking a natural predator to create an inhospitable environment for rodents. 【Versatile Application】Suitable for use in cars, garages, warehouses, storage rooms, and other areas where pest control is needed. 【Intelligent Operation】Automatically detects vehicle status, deactivating when the car is in motion and reactivating during stationary periods. 【Dual Power Options】Can be powered by either DC 5V-12V or 4 AA 1.5V batteries (batteries not included), offering flexible installation. Specifications: Model: N913A Material: ABS plastic Dimensions: 8.9 x 3.5 x 12cm LED Lights: 6 flashing red LEDs Sound Modes: High-frequency ultrasonic (12MHz-44MHz) and low-frequency cat sound Sound Level: Up to 129 dB Power Supply: DC 5V-12V or 4 x AA 1.5V batteries (not included) Controls: Mechanical main switch + Low/High frequency switch Operation Mode: Automatic vehicle start/stop detection Cycle: 5-minute intervals with 10-second alarm when stationary