Product Dimensions:
Total Size: 4.72 x 4.72 x 0.98 in. (120 x 120 x 25 mm)
Hole Distance: 4.13 x 4.13 in. (105 x 105 mm)
Screw Hole Size: Ø 0.17 in. (Ø 4.3 mm)
Fan Connector: XH2.54-2Pin
Lead wires: Red +,Black -, 400 mm/15.75 in. length
Fan Bearings: Dual Ball
Life Expectancy: 50000 hrs

Specifications:
Waterproof Rateing: IP67 Start-up Voltage: 5.5V
Rated Voltage: 12V DC
Rated Current: 0.14 Amp
Rated Power: 3.5 W
Rated Speed: 2500 RPM ±10%
Fan Air Flow: 93 CFM ±10%
Noise Level: 38 dBA ±10%
Air Pressure: 0.16 In H₂O
Operating Voltage: 7V to 13.5V
Operating Temperature: 14-167℉
Storage Temperature: -40-176℉

Packing Contain:
1x 120mm brushless cooling fan
2x 120mm metal grills
4x Mounting screws & nuts
Note:
1.Transition: 1cm=10mm=0.39 in.
2.Please allow 0-1cm error due to manual measurement. please make sure you do not mind before you ordering.

Waterproof IP67 Rating: 120mm waterproof computer fans are built to withstand the humid/dust-exist harshest outdoor environments; Keep your equipment safe and running smoothly without worrying about rain, splashes, dusty conditions, or brief submersion
Superior Cooling Efficiency: 12v waterproof fan IP67 designed for projects in high humidity or hot confined spaces that requires cooling or ventilation; Such as RV fridge, inverter, small greenhouse, terrarium, pet house, sheds, fish tank, telecom cabinet
Built to Last Dual Ball Motor: The fan's pcb board and whole motor are iscoated with a cured layer of adhesive film for protection against moisture, water and dust; ip67 fan are designed for maximum airflow and heat dissipation to keep the air circulating
Easy to Install: Includes a 120 mm 12v dc ip67 waterproof cooling fans; 2x metal fan grills to protect hand; 4x mounting screws nuts; you can install the fan laid flat or stand upright to keep internal components cooler; rated at up to 50,000 hours
5 Inches Computer Case Fan Spec: 4.7 x 4.7 x 1 Inches (120 x 120 x 25 mm) | Rated Voltge: 12 Volt | Speed: 2500 RPM | Airflow: 93 CFM | Noise: 38 dBA | Rated Current: 0.14 Amp | Power: 3.5 Watt | Connector: 2 Pin | Wire Length: 15.7 Inches (400 mm)