Combining ultrasonic waves and strobe light, this repeller keeps rodents away from your vehicle or home with smart auto on-off control. Features: Dual Repelling System: Ultrasonic sound and twin strobe LEDs disrupt rodents’ hearing and vision for enhanced deterrent effects. Smart Auto On-Off: Detects vehicle status; turns off when the car is running and resumes after 90 seconds once stopped. Versatile Placement: Can be used under car hoods or indoors with a USB connection to repel insects and rodents. Intermittent Operation: Works in 10-second bursts with 100-second pauses, making it harder for rodents to adapt. Progressive Repelling Stages: From sensory interference to nerve disruption, rodents gradually lose interest and relocate. Three Power Supply Options: Operates on four AA batteries, USB power, or car power connection for flexible usage. (AA batteries not included) Specifications: Material: ABS Color: Black Size(LxWxH): 7.5cm x 3.4cm x 11.8cm Power: 0.6W Operating Voltage: 6V to 10V Rated Voltage (Plug): 110V to 250V Frequency Range: 22kHz to 40kHz Coverage Area: 50 to 80 Square Meters Package Contents: 1 x Rodent Repeller 1 x Car Power Cable 1 x USB Cable 4 x Zip Ties 1 x Manual Please Note: Due to manual measurement, there might be a tolerance in the product size. Due to the lighting effects and shooting angles, the color of the item and that shown in the picture might have a nuance.