XNRKEY Auto Anti-Theft System Circuit Relay Switch Immobilizer Wirele Relay for 12-24 V Car Diesel Motorcycle Motorant Notice1. Not suitable for low-preure s and cars with start-stop function!2. Not suitable for electric vehicles!FeaturesCompatible with most car and Motorcycler small volume, easy to hideSimple installationReliable performanceConvenient maintenanceWorking conditions: DC12V, ≤20A or 24V, ≤10AUser Guide1. Before you start your car, you need to pre the on, otherwise the car will flameout within 10 seconds. After you pre the on, you can start within 15 seconds.2. If your car stalled suddenly by mitake, you can start again within 30 seconds no need to pre key.(Maybe 3-5 minutes for some cars) You can start when the key is glimmering.3. Pre on for 3 seconds, e into closed; Pre again, bato work.Notice1. Don't e mistake inlet and outlet with connect wire.2. Must connect GND properly, don't connect to Negative.