1.General Purpose Tools : Remote lock and unlock your car, The Car Door Lock Vehicle Keyless Entry System Is Compatible With Most Cars, fits any make or model, And Can Be Installed Quickly And Easily. 2.Main Feature is Keyless Entry : The car door lock system can provide an easy way to control your car. It can upgrade your original control lock system and convert manual door locks to automatic door locks, Remote engine start, push start button, remote trunk open and more. 3.Convenience : This Kit Allows You To Remotely Control Your Car Door Locks, Making It Easy And Convenient To Enter And Exit Your Vehicle. No More Fumbling With Keys Or Manually Locking And Unlocking Your Doors. The keyless entry kit is designed to help you find your car's parking location quickly. 4.Deterrent : The Vehicle Security Alarm System Included In This Kit Is A Powerful Deterrent Against Theft And BreakIns. With Its Loud Siren And Flashing Lights, It Will Alert You And Anyone Nearby If Someone Attempts To Enter Your Car Unlawfully.