【With Overcharge and Overcurrent Protection】Intelligently identify the device and provide the best current to protect your device. Dual USB port, support charging two devices at the same time. 【Support Fast Charging】Dual 3.1A USB ports allow you to quickly charge 2 devices simultaneously. Safely charge USB powered devices, GPS, cell phone, tablet, MP3 player, car humidifier and other cigarette lighter adapter socket devices. 【Widely Used】 Cigarette lighter socket, suitable for 12-24V vehicle power equipment, such as cars, trucks, motorcycles, RVs, boats, ATVs, etc. Dual USB power socket, compatible USB devices: like dash cam, GPS, sat nav, phone, etc. 【Superior Material】 Made of high-quality materials, durable and practical. heat and environmental friendly, it has the characteristics of high temperature resistance, high current resistance, abrasion, etc. Intelligently identify the device and provide the best current to protect your device. Dual USB port, support charging two devices