Through connector with 4-pin, easy to installIdeal for new systems, upgrades or repairsWith bushings for reliable and silent operationVoltage: 12 V DC - Input current: 0.25 A (maximum)Air flow: 27 cfm (maximum)Fan speed: 3000 rpmNoise level: 25 dBA (maximum)Operating temperature: -10 -70 °CDimension..