ITEM NAME:4.8A Intelligent Voltage Current Detection Dual Usb Fast Car Charger Adapte P9B6 4.8A Intelligent Voltage Current Detection Dual Usb Fast Car Charger Adapte P9B6 Built-in intelligent management chip, effectively prevent overcharge and short circuit. Multiple protective systems provide device safety for protect from over-charging, over-voltage, over-current, over-heating and short circuiting. Car charger with viewing screen, the battery voltage will be revealed when inserted into the cigarette lighter. The real-time charging current will be showed when charging the mobile phone. There will be a warning when the car battery voltage is to low. Automatic power off after a full charge to provide security protect for your device. Automatic detection for the equipment, good adaptability. 4.8A dual USB car charger with LED screen is a multifunctional car charger. The LED display screen shows car battery/ voltage/ charging current automatically. Input voltage: DC 12V-24V Output voltage: DC 5V Output current: 4.8A(2.4A+2.4A) Conversion efficiency: 95% Voltage measuring range: 5V-30V Current measuring range: 0A-4.8A Size: 73mm*38mm*33mm Color: Black Material: plastic Package included: 1 x Dual USB Car Charger Adapter