SJZ-021 Car Ultrasonic Rat Repeller Car Engine Mouse Repellent 1. Material: ABS, electronic components 2. Applicable scenarios: cars, warehouses, living rooms, bedrooms, offices, etc. 3. Use range: 50-80 square meters 4. Power supply: connected to the vehicle power supply built-in battery power supply 5. Working voltage: 5V12-24V 6. Ultrasonic frequency: 9-65KHz 7. Battery type: 800mAh Ni-MH battery x 3 8. With 8 LED red and white flashing lights, effectively repelling mice 9. High-power ultrasonic alarm design, short alarm sounds at regular intervals, so that mice dare not approach 10. Frequency conversion ultrasonic, automatically change the ultrasonic frequency, making the mouse unable to adapt to the environment 11. Intelligent start-stop technology, support automatic identification of engine startup and shutdown status 12. Turn on when the engine is off, and automatically turn off when the engine is on 13. Weight: 230 grams Packing list: -Mouse repeller x 1 -USB charging cable x 1 -Car power cord x 1 -Service card x 1