Blinbling [Upgrade Version] Car Rat Repeller-Under Hood Animal Repeller- Multi-used for animal repeller-Fireproof Rodent Repeller for Car 2XPack UNDER HOOD ANIMAL REPELLER - Easy and simple installation, connect the two connectors into the car electrical circuit., black lead/cathode(-), red lead/anode(+). lCurrent consumption: 20 mA - 30 m while ultrasonic releasing, low power consumption.. MULTI-USED FOR MANY PLACES- designed to protect vehicles that are powered from 12V batteries: cars, motorcycles, tractors, trucks, etc.Not recommend installing in humid areas or allow penetration water in the machine. Be ware the device from dust dirt or bumps not damage it. CHEMICAL FREE - Its materials are very environmentally friendly and do not harm the environment. When it works, it can effectively deport animals without causing physical harm to animals. MINI SIZE &FASHIONABLE DESIGN - this car rat repeller is small and light , easy for your any vehicle, for example ,cars, motorcycles, tractors, trucks etc .When you use it, it doesn't overburden your transportation SATISFACTION GAURANTEED - PLEASE NOTE THAT SELLER ID: Blinbling IS THE ONLY AUTHORIZED SELLER OF THIS PRODUCT. If you bought your units from other sellers, we do not guarantee the quality, effect, shipping speed, as well as after-sales service of the products. You will get 100% money back from Blinbling if the repeller does not satisfy your needs. No questions asked.