Solemn promise: in box fan, not disassemble the goods! Support inspection!Non- can request a return!!!!!The fan is a fan of wind capacity, heat capacity of equipment use ~~~Fan parameters:Model: 8015HH12B-NF1Dimensions: 80 × 80 × 15mmRated voltage: DC12VInput Power: 0.50ABearing Type: Dual ball bearingInterface: 3P line motherboard supports gunFans line length: 15CM