This Is 25mm 30mm 35mm 40mm 4 x RC Cooling Fans For 1/8 1/10 Brushless Brushed ESC Motor .

Input Voltage : 5 - 6V . 

Wire Type: JR

Wire Length: 25mm & 30mm Fan Around 6.5-7 inch Including Connector

35mm & 40mm Fan Around 7-7.5 inch Including Connector

Include 

4 x Cooling Fan ( 1x 25x25mm 1x 30x30mm 35mm x 35mm 1x 40x40mm )

Ship From US , Thanks For Looking .