Crompton 1400mm fan typically features a 1400mm sweep, 3 metal blades, a 5-speed regulator, and a double ball bearing motor Sweep: $1400$mm (\(56\) inches)Number of Blades: \(3\) (usually metal)Speed: \(5\) speed regulatorMotor: Double ball bearing for durability and smooth, quiet operationWattage: Varies by model, with some rated at around $80$W or $84$WAir Delivery: Can be up to \(195\) cubic meters per minute for high-speed modelsVoltage: Typically $220$V or $240$VBlade Material: Can be metal or aluminium, depending on the modelOther features: Some decorative models may include remote control or under-light options