Mysora 6 Pack Ultrasonic Rodent Repellent for Car Engines Under Hood Ultrasonic Mouse Repellent Plug in and Battery Powered Rat Deterrent with 4 Strobe Lights for Car Engine Attic Outdoor Indoor

["Ultrasonic LED Repellent: this 6 pack rodent repellent for car engines utilizes microelectronic technology to emit powerful, fluctuating ultrasonic waves and bright LED strobe lights; The effective combination disrupts rodents auditory and nervous systems, powerfully deterring them from approaching cars, RVs, and trucks, making it an ideal set of mouse repellent devices for vehicles","Effective Vehicle Protection: this mouse repellent for car engines adopts advanced variable frequency output, combining variable and fixed high-frequency sound waves plus 4 LED strobe lights to disrupt rodents' nervous systems, preventing them from biting wires or building nests and safeguarding your family's health","Dual Power Supply Modes: this car rodent repeller supports dc cable connection to vehicle battery and usb charging; It can be easily fixed inside the car hood with included zip ties and installed in garages, pavilions, warehouses as needed","Human Friendly and Auto Switch: this car mouse repellent emits 22-50khz ultrasonic waves without annoying noises; It has an auto switch function that stops working when the car starts and resumes 90 seconds after stopping, only suitable for 12v vehicles","Effortless Installation: mouse repellent for cars easy to install; This versatile rodent repellent is suitable for both indoor and outdoor spaces, such as garages, attics, basements, storage rooms, barns, and kitchens, effectively deterring rodents, cats, squirrels, bats, and spiders"]