Taiwan SanJu SJ1755HA2-AC axial fan

frame:aluminum ADC-12
Bearings:double ball bearings
Voltage:AC 110 v 220 v
Life:60000 hours at 20 ℃-peilin
30000 hours at 20 ℃-oil
Operating temperature:-20 ℃ ~ 85 ℃ normal humidity
Storage temperature:-30°C～140°C Normal humidity