1、The rare CPU fan speed controller with aluminum-magnesium alloy panel has undergone multiple matt surface treatments and is suitable for any chassis. 2、Equipped with a wide LCD screen, 4 sets of fan speeds, 4 sets of temperatures are displayed on the LCD screen, so you can see the computer work at a glance 3、With a dual safety system with high temperature alarm and fan anti-seize. When the computer temperature exceeds 60 degrees, the temperature icon flashes and an alarm sounds. 4、Use PWM circuit to adjust speed to reduce high frequency noise, and at the same time reduce noise by reducing fan power 5、High-specification capacitors are resistant to high temperatures, have a longer service life, and refuse damages such as electricity running and leakage Item Type: STW-6041 Fan Controller Model: STW-6041 Material: ABS+magnesium aluminum alloy Screen: LCD screen Number of Controllable Fans: 4 sets of fans Screen Temperature Display: 4 groups of temperature display Adjustment Method: Automatic or manual adjustment (4 groups of independent adjustment knobs) Fan Connection Interface: 4 x 3-pin male (also compatible with 4-pin connector) Fan Cable Length: Approx. 62cm / 24.4in Power Connection Interface: 1 x large 4-pin male Power Cord Length: Approx. 21cm / 8.3in Number of Temperature Check Line Probes: 4 Length of Temperature Check Line Probe: Approx. 55cm / 21.7in Compatible Panel: 5.25 inch optical drive front panelSize: Approx. 13.3cm / 5.25in 1 x Controller 1 x User Manual 4 x Screw 2 x Sticker