AVC brand new original install is safe to buy. Basic parameters: Brand: AVC Model: DS06025B12U Size: 60 * 60 * 25 mm Voltage: DC 12V Voltage: 12V (5.0-13.8v) Current: 0.70 A Speed: 1000-5200 RPM Lead: 4P wire tape terminal (support PWM control speed) 18 cm long line: It is used for the DIY heat dissipation transformation of the fan