1. size: 120x120x38 mm 2. weight: 270 g 3. operating voltage: 85~245 VAC (120~250 VDC) 4. air flow: 115~130 CFM 5. power consumption: 6~8 Watt 6. operating temperature: -10C ~ +70C 1. box size: 49x30x29 mm 2. gross weight: 12 kg 3. quantity of fan: 40 pcs