5 Volt DC 30x30x10mm Brushless Tubeaxial Fan 4 CFM Specifications Voltage: 5 volts DC Size (W x H x D): 30 mm X 30 mm X 10 mm Air flow:4 CFM Bearing type: Dual Ball Current: 120 mA Power: 0.6 watts Agency approvals: UL, CUL, CE Noise: 28 dBA Connections: 12" wire leads