Delta Electronics Ingress Protection Fans feature built-in resistance to environmental conditions such as dust, water and foreign objects that can disable and damage fans and thermal cooling equipment. Delta Electronics Ingress Protection (IP) fans provide IP55 and higher protection as an industry standard, offering protection against the intrusion of solid objects such as hands and fingers, as well as dust or dirt exposure, accidental contact, and water in the form of salt fog, moisture, or precipitation. Voltage - Rated 12VDC Size / Dimension Square - 60mm L x 60mm H Width 25.40mm Air Flow 50.4 CFM (1.41m³/min) Bearing Type Ball Fan Type Tubeaxial Features PWM Control, Speed Sensor (Tach) Noise 55.0 dB(A) Power (Watts) 10.10W RPM 9000 RPM Termination 4 Wire Leads Operating Temperature 14 ~ 158°F (-10 ~ 70°C) Weight 0.176 lb (79.83g) Current Rating (Amps) 0.840A Voltage Range 10.8 ~ 13.2VDC