5V 10W USB LED Dimmer Module - Adjustable Fan Speed Controller with Timer for PC Cooling, DIY Lighting & Home Automation Projects

1.Descriptions: ZK-BUFS is a USB fan speed controller.Mute multi-position wind speed regulator.It is suitable for offices, dormitories, bedsides, etc.. 2.Features: 1>.USB fan adjuster 2>.Strong/weak wind are free to adjust 3>.USB fan stepless governor 4>.Soft start function 5>.Support timed shutdown 6>.Support sleep mode 7>.Support sett the highest output voltage 3.Parameters : 1>.Product Name:ZK-BUFS USB Fan Governor 2>.Product Number:ZK-BUFS 3>.Working Voltage:DC 4V-12V 4>.Output Voltage:DC 1V-24V 5>.Rated power: 10W(Do not overload!) 6>.Timer:0-999minutes 7>.Highest output voltage:DC 1V-24V(Adjustable) 8>.Work temperature: -40~85℃ 9>.Working Humidity:0%-95%RH 10>.Size:80*32*9mm 4.Fan speed principle: 1>.The input power supply is DC 5V for the non-adjustable USB fan.There is a boost board inside the fan for the two-position fan.This boost board step up voltage for motor from fan when in the second gear.It causes the fan to turn faster and the wind becomes bigger. 2>.The USB governor output voltage range varies from 1.0 volts to 24.0 volts.The wind speed is set arbitrarily. 3>.Please set the fan in the first gear when use this USB Governor.Otherwise it can not work normally. 5.Use Steps: 1>.Set the fan in the first gear. 2>.Connect fan from Female USB socket. 3>.Connect work voltage at Male USB socket. 4>.Turn potentiometer left to increase output voltage to increase fan speed. 5>.Turn potentiometer right to decrease output voltage to decrease fan speed. 6>.Press potentiometer to enabled/disabled output voltage. 7>.Double click potentiometer to turn ON/OFF screen.Any press to wake up display. 6.Set Timer: 1>Keep press potenti