Features:5.25 inch fits perfectly in pc drive bay.Light LCD displayer makes it easily to read. Date and time display is included.Three available temperature probes enable you to sense your preferences.CPU/HD/SYS 3 channels can control 3 fans.Adjustable alarm from 5 to 90 Deg.CFan speed controller.Temperature Measurement.In the initial state of module press MODE it can change the display of 3 kinds of temperature: CPU→HDD→SYS→CPU→…… the scope:0-99 Deg.C accuracy:±2 Deg.CTurn On and Off the Alarm.In the initial state of module press ALARM C/F it can turn on or off the alarm.Change Temperature Display Mode.In the initial state of module long press (press and hold) ALARM C/F for about 3 seconds it can change ℃/℉ temperature display mode.Fan control:a. In the initial state pressing SPEED button once can set the fan at low speed mode. Pressing SPEED button twice will change to medium speed mode. Pressing SPEED button three times will change to high speed mode.b. The module also can control fan speed according to the temperature information received from the SENSOR. At higher temperature the speed of fan will be quicker.Over-temperature alarm.The default temperature of CPU HDD SYS: CPU 70℃; HDD 50 Deg.C; SYS 60 Deg.C. Users can set these temperature according to your needs( 5-90 Deg.C). You can turn the buzzer by pressing any keystoke.Time displayIt can display time in 24-hour clock. It also has display calendar.Introductions of keypadDescription: 1). Time adjustmenta. set year: long press MODE about 3 seconds→year character twinkles→press ALARM C/F set year.b. set month: long press MODE about 3 seconds→then press MODE once →month character twinkles→press ALARM C/F set month.c. set date: long press MODE about 3 seconds→then press MODE twice →date character twinkles→press ALARM C/F set date.d. set hour: long press MODE about 3 seconds→then press MODE three times →hour character twinkles→press ALARM C/F set hour.e. set minute: long press MODE about 3 seconds→then press MODE four times →minute character twinkles→press ALARM C/F set minute.2).Alarm adjustmenta. set hour: long press MODE about 3 seconds→then press MODE five times →hour character twinkles→press ALARM C/F set hour.b. set minute: long press MODE about 3 seconds→then press MODE six times →minute character twinkles→press ALARM C/F set minute.3).Alarm temperature adjustmenta. CPU: long press MODE about 3 seconds→then press MODE seven times →CPU temp character twinkles→press ALARM C/F set CPU temp.b. HDD: long press MODE about 3 seconds→then press MODE eight times →HDD temp character twinkles→press ALARM C/F set HDD temp.c. SYS: long press MODE about 3 seconds→then press MODE nine times →SYS temp character twinkles→press ALARM C/F set SYS temp.Specifications:Color: BlackSize: approx. 149mm x 76mm x 42mmNet Weight: 163gPackage Includes:1 x 5.25'' PC Fan Speed Controller Temperature Temp Sensor LCD Panel Notes:Due to the difference between different monitors the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a