1. Input: DC12-24V. 2. USB output: USB1=5V/2.4A USB2=5V/2.4A. 3. Material: ABS+PC flame retardant material, with metal dome electroplated, designed with mini & exquisite appearance. 4. USB max. output: 2.4A, intelligently identified. 5. Overcurrent and overvoltage protections for the circuit. 6. Three sets: single charger, charger with Lightning cable, charger with Micro-USB cable(“X1” 72 tinned copper wires, length: 1m). 7. 5.3cm*2.6cm (L*D).