Product Specifications:Input Voltage: DC 12-24VQC 3.0 Output Voltage: 3.6-6.5V/3A, 6.5-9V/2A, 9-12V/1.5ASmart Output Voltage: 5V 2.4ASize: 63*30*30mmWeight: 25gMaterial: ABS+PC fireproofCompatibility: QC 2.0, QC 3.0, MTK PE2.0, HUAWEI FCP/SCP, Samsung BC1.2, Apple 2.4A etc.Feature1.Car charger with5.4A 30W DUAL USB CHARGING PORTS. 3A Quick Charge 3.0: provides 4x faster charging speed to compatible devices. 2.4A Smart IC USB port charges up to 2.5X faster than usual car adapter.2.UNIVERSAL COMPATIBILITY: universal dual USB car charger compatible with any Android and iOS mobile devices. Car charger adapter charges your mobile device at maximum charging speed your device supports.3.MULTY PROTECTION: Built-in protection system against over-current, over-charging and over-heating ensures superior performance, safety and reliability.4.SMART IC INTELLIGENT ADAPTIVE TECHNOLOGY: identifies your mobile device to provide fastest possible charge automatically. car phone charger simultaneous charges two devices at high speed.