Battery Operated Under hood Animal Repellent (AR28)

● Auto switch by vibrating sensor detecting signal of vehicles start or stop

● Start to work when vehicles stop, stop working when vehicles start

● Emit ultrasound and blinding light to disturb the auditory and visual nervous system of rodents

● Ultrasonic waves swept quickly and slowly by turns with different time duration

● Rodent Repellent can emit changing ultrasound at frequency 18kHz –36 kHz

● Built-in fuse to protect the unit from overcurrent

● Only 0.1W power consumption while ultrasonics and white light releasing

● Safe for use around children and pets when used as directed


In the USA, most people will call this product battery operated under hood animal repellent, but in most European countries, people will name it battery-operated marten repellent. But actually, it is the same product.

Our battery operated ultrasonic rodent repellent for automobiles has multiple operating ways, not just the battery operated.

    1. Powered by 4*AA battery ( Battery is not included)
    2. Connect to the vehicle battery ( One DC to battery cable included)
    3. Connect to the electric power ( One DC to USB cable included, adapter is not included, you can use DC5V-12V adapter)

Check the following video for more detail.

YouTube video


Product Name Battery Operated Under Hood Animal Repellent
Working Voltage/Current12V/50-5mA
Input Voltage110-220V
Power Supply--4*AA Batteries
--DC 5-12V Vehicle
--Power DC12V Adaptor
Effective Range*
Ultrasonic Frequency18-36kHz
DB Value110dB
Dim(cm)7.5* 13*3.4cm (L*W*H)
QTY Per 20' FCL39,312pcs


marten repeller

For high efficiency, this battery-operated under hood animal repellent can emit changing ultrasound at frequency 18kHz –36kHz, and emit bright flashes to keep rodent or marten away from your properties, garage, warehouses, or vehicles.

Speak of harmlessness, you can enjoy the all-round protection without using poison or other harmful devices, the emitted changing ultrasound is nearly imperceptible to the human ear prevents animals from getting adapted to the noise.


marten repeller


The device includes a vibration sensor, which will switch the device on when the vehicle is stationary. The device will go to standby when detecting a vibration by starting the vehicles.

Working Mode:

      • White blinding light flash every 2s
      • Emit 18-36 kHz ultrasonic sound
      • Red light flashes every 2s


      • Stop to flash white blinding light and emit ultrasound
      • Red light flashes every 5s


marten repeller

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