Description: Yeah Racing's well known Tornado 30mm fan updated with a full aluminum booster case, increasing the air flow being directed into the fan! When mounted on a fan mount or esc, the large surface area of the aluminum will act as a giant heatsink as well! Feature: For: ESC / Heatsink / Motor Color: Purple Specification: Mounting Holes: 24 x 24mm Bearing: Dual Ball Bearing Max Voltage: 8.4V Power: 1.40W Fan Speed: 14000 R.P.M (±20%) at 25J Current: 0.28A Wire Length: 255mm Connector: JST High : 17mm Use M3 16mm x 4pcs Screws (not included) Include: Booster Cooling Fan (1 pc)