Size: 60x60x15mm Frame: plastic Impeller: plastic p. B. T. Voltage: 12v Current: 0.11-0.23a Power: 1.08-1.56w Speed: 2700-4000rpm Air flow: 12.4-19cfm Pressure: 1.6-3.1(mmh2o) Noise: 23.5-33.9dba Bear type: sleeve, ball Weight: 30g Motor: brushless dc, auto restart impedance & polarity protected Operation temperature: -20 c~80 c Insulation resistance: 10mat 500vdc between lead and frame Dielectric strength: 1 min at 500vac/50-60hz, current min 5ma Operation humidity: 20%~85% Working voltage: rated voltage 15% Life at 25oc: ball bearing 50, 000hr and sleeve bearing 30, 000hr