Product Description Colour: Black Weight: 7.4 oz Quantity: 1Pcs Packing content: 1*12V car repellent box 1.Vibration Detection - Energy SavingThis product has a vibration detection function. When the car is started, the product detects vibration , it will stop working. When the car stops and the vibration stops, the product automatically turns on the working mode after 5 minutes to replace people on duty and protect the car from pests such as mice. 2.Frequency Conversion Output The product uses a sweep frequency output and a fixed frequency output, which reduces the hearing resistance of mice and makes it easier to function. Emits a combination of dual LED flashlights and fluctuating ultra-sonic to keep rodents away and discourage their return visits. 3.Battery Low Voltage Detection Function The product will detect the battery voltage during operation. If the battery voltage is too low (less than 9.2V), the product will sound an alarm to indicate that the voltage is too low and will no longer work at this time to prevent battery power loss and protect the battery. When the battery voltage is restored, the product will automatically stop alarming and enter the standby state. 4.No Need Other Power:The product uses 12V conventional car battery power supply, no need to use another power supply, easy to install and use. 5.Unique Design:Designed for vehicles, but the compact design and cordless connection, easy to place on flat surface or mount with included zip ties, it can be utilized almost everywhere such as garage, attic.