solar auto cool fan

Two models solar auto cool we have , 0.3w and 1w which have different prices and
work effect .The detailed information is given as belowing :
Solar auto cool (0.3w) FOBningbo Price:$2.0/set but the 1w is $4.2/set
MOQ for 0.3w is 500sets and it is 200sets for 1w.
The packing information is given as flollowing ; box size:16.5*9*12.5cm sets in carton:40sets/carton carton size:34*46*52cm GW:19kg NW:17.5kg . So does the 1w's packing .

solar auto cool fan