Adjustable Mini DC Motor PWM Speed Controller - Variable Speed Regulator for Household & DIY Electronics - Perfect for Fans, Pumps, and Small Appliances

Feature:1. Pwm Dc Motor Speed Controller With Switch Function.Small Size, Low Power Consumption, Fast Response.2. High Power High Efficiency, It Is Precise And Reliable With Good Long‑Term Stability. With Fixing Screw Hole, Convenient For Install And Fixed.3. Working Voltage Can Be Switched To 4.5V‑28V By Bridging The Connector Marked 4.5V‑35V4. The Product Working Voltage Is Dc4.5V‑28V, Output Current Is 0‑5A, Output Power Is 90W (Large), Quiescent Current Is 7U A (Standby State), Pwm Duty Cycle Is 1%‑100%.5. Using High‑Quality Materials, Strong And Durable, Has A Long Service Life.Spec:Item Type: Speed ControllerWorking Voltage: Dc4.5V28VOutput Current: 0-5AOutput Power: 90W (Large)Quiescent Current: 7U A (Standby State)Pwm Duty Cycle: 1%100%Pwm Frequency: 20KhzPackage List:2 X Speed Controller2 X&Nbsp;GasketNotice:The&Nbsp;Input&Nbsp;Of&Nbsp;The&Nbsp;Dc&Nbsp;Motor&Nbsp;Speed&Nbsp;Controller&Nbsp;Is&Nbsp;Direct&Nbsp;Current,&Nbsp;And&Nbsp;Cannot&Nbsp;Be&Nbsp;Directly&Nbsp;Connected&Nbsp;To&Nbsp;Alternating&Nbsp;Current&Nbsp;(For&Nbsp;Example:&Nbsp;Household&Nbsp;220V&Nbsp;Alternating&Nbsp;Current),&Nbsp;Otherwise&Nbsp;It&Nbsp;Will&Nbsp;Burn&Nbsp;Out!&Nbsp;!&Nbsp;!Do&Nbsp;Not&Nbsp;Connect&Nbsp;The&Nbsp;Positive&Nbsp;And&Nbsp;Negative&Nbsp;Terminals&Nbsp;Of&Nbsp;The&Nbsp;Dc&Nbsp;Power&Nbsp;Supply&Nbsp;In&Nbsp;Reverse,&Nbsp;Otherwise&Nbsp;The&Nbsp;Governor&Nbsp;May&Nbsp;Be&Nbsp;Damaged.The&Nbsp;Motor&Nbsp;Can&Nbsp;Be&Nbsp;Positive&Nbsp;Or&Nbsp;Negative.&Nbsp;When&Nbsp;The&Nbsp;Running&Nbsp;Direction&Nbsp;Is&Nbsp;Inconsistent&Nbsp;With&Nbsp;The&Nbsp;Expectation,&Nbsp;The&Nbsp;Direction&Nbsp;Can&Nbsp;Be&Nbsp;Changed&Nbsp;By&Nbsp;Adjusting&Nbsp;The&Nbsp;Line&Nbsp;