- Security and theft deterrence: Press the lock button to arm the anti-theft state. If others try to open the door, the alarm sounds. Press unlock to disarm. A practical upgrade for vehicle security. - Versatile fit: Universal compatibility with DC12V cars. Expertly crafted to deliver reliable performance and seamless operation in most vehicles. - Professional installation: Installed by certified car electricians to ensure peak functionality and a seamless, dependable experience for your vehicle. - Durable and weather-ready: High quality plastic construction makes the system waterproof and corrosion resistant while remaining lightweight and portable for reliable performance in all conditions. - Use scenarios: - Parked in urban areas or shopping districts where extra security is needed. - Driving in rain, snow, or harsh weather where waterproof and corrosion resistance matters. - Vehicles that are shared or lent to others, benefiting from universal DC12V compatibility and professional installation for proper integration.