Usage Tips:Feature 1Applicable Model: Anti theft electronic engine lock is fit for car, SUV and Van. Please confirm whether your model is applicable before buying. 2Auto sensing: This wireless immobilizer senses the vehicle's on or off status and automatically activates the anti theft program when the vehicle is started or shut down, protecting the vehicle from the threat of theft. 3Easy to use: This immobilizer is very easy to use and requires only the installation and setting of the relevant parameters on the vehicle to achieve automated anti theft protection. 4Efficient : This type of immobilizer uses multiple anti theft measures to maximize vehicle safety, and the built in battery has a very long life, reducing the frequency and cost of battery replacement. 5Durable Construction: Auto sensing wireless immobilizer is made of ABS which is hardness, not easy to deform, sturdy and durable and has a long service life.Item Type: Auto Immobilizer SystemRemote Control: Built in batteryBattery Specification: CR2032 x 2Battery Capacity: 80mAhMaterial: ABSFitment:For various 12Volt car and motorcycleFeatures Auto sensing wireless immobilizer with smaller main unit and lighter remote controlelectric technology brings you more security.The remote control of the car security system alarm has auto sensing function.SpecificationUnit Operating Voltage: 12V3VUnit Quiescent Current: 12mAUnit Control Current: 30ARemote Control Working Current: 3 to 8mARemote Control Standby Current: 1uA Package List: 1 x Device with Wire2 x Sensor Remote Control1 x User ManualNoteWhen not using the system, please turn off the remote control to extend the battery life, this product is not designed to be waterproof.