Specifications:

Twin socket with 2 USB ports
Input: DC12-24V                                                                           

Output: Two 5V/1.5A, 2.1A, 3.0A or 4.8A   
smart IC optional  
On/off switch
LED power indicator
Fused protection
Maximum output current 8A
with CE & ROHS
Packing:

double blister
carton size:43x41x48cm/6pcs/inner box/72pcs/ctn