**Product Description** - **Multi-Functional Car Power Adapter** This **versatile car power adapter** is designed with a **voltmeter, cigarette lighter socket, and dual USB charging ports**, making it a **convenient and essential accessory** for your vehicle. It is **easy to install and use**, providing **seamless power management** for all your devices on the go. - **Real-Time Voltage Monitoring for Electrical Safety** Equipped with a **digital voltage display**, this adapter allows you to **monitor your vehicle's battery status in real time**. It helps prevent **unexpected battery failures**, ensuring that your vehicle's electrical system **remains safe and stable** at all times. - **Dual USB Charging Ports for Maximum Convenience** Featuring **two USB charging slots**, this adapter meets **all your charging needs**, allowing you to power up **smartphones, tablets, GPS devices, dash cams, and more** simultaneously. Enjoy **fast and efficient charging** while driving. - **Blue LED Light for Battery Status Monitoring** The built-in **blue LED indicator** provides a **clear visual display** of your battery’s condition, helping you track its status **between fully charged and discharged**. This feature ensures that you are always **aware of your vehicle’s power levels**, enhancing **safety and reliability**. - **Waterproof & Durable Design for Long-Term Use** Designed with a **waterproof exterior**, this adapter is **safe to use in various weather conditions**. The **blue LED light enhances visibility**, making it **easy to monitor and operate even in low-light environments**. Its **sturdy and durable construction** ensures **long-lasting performance**. Upgrade your car with this **high-performance, easy-to-install, and multi-functional power adapter**, ensuring **real-time voltage monitoring, efficient charging, and enhanced safety** for all your journeys.