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, pre MODE, it can change the display of 3 kinds of temperature: CPUHDDSYSCPU, the scope:0-99 Deg.C, accuracy:2 Deg.CTurn On and Off the Alarm.In the initial state of module, pre ALARM C/F, it can turn on or off the alarm.Change Temperature Display Mode.In the initial state of module, long pre (pre and hold) ALARM C/F for about 3 seconds, it can change / temperature display mode.Fan control:a. In the initial state, preing SPEED button once can set the fan at low speed mode. Preing SPEED button twice will change to medium speed mode. Preing 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 preing 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 pre MODE about 3 secondsyear character twinklespre ALARM C/F set year.b. set month: long pre MODE about 3 secondsthen pre MODE once month character twinklespre ALARM C/F set month.c. set date: long pre MODE about 3 secondsthen pre MODE twice date character twinklespre ALARM C/F set date.d. set hour: long pre MODE about 3 secondsthen pre MODE three times hour character twinklespre ALARM C/F set hour.e. set minute: long pre MODE about 3 secondsthen pre MODE four times minute character twinklespre ALARM C/F set minute.2).Alarm adjustmenta. set hour: long pre MODE about 3 secondsthen pre MODE five times hour character twinklespre ALARM C/F set hour.b. set minute: long pre MODE about 3 secondsthen pre MODE six times minute character twinklespre ALARM C/F set minute.3).Alarm temperature adjustmenta. CPU: long pre MODE about 3 secondsthen pre MODE seven times CPU temp character twinklespre ALARM C/F set CPU temp.b. HDD: long pre MODE about 3 secondsthen pre MODE eight times HDD temp character twinklespre ALARM C/F set HDD temp.c. SYS: long pre MODE about 3 secondsthen pre MODE nine times SYS temp character twinklespre 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.