Dual USB port 2.1A car charger with different color for options

Specifications and specify
product features intelligdent power tubes IC precision components and circuits,flame
retardant PCB board ,makd the product stable voltage ang sufficient electricity output; 
short circuit ,over voltage,over current,and over voltang oritectino,make your car and
efficiency,full automatic constant pressure,automatic saturation detection,avoiding
overcharging of the batterles;there are two output ports,but at the same time as the
two epuipmant

Function parameter
lnput:12-24V
Output:1:5V 1000mA
Output:2:5V 2100mA