... English5:Category: communications6:Free, green, no plug-ins3. Controller technical parameters1:Working voltage: DC5-24V2:Output control: can ... example: 25% brightness, 50% brightness, 75% brightness, 100% brightness).9. Speed/brightness bar instructionSpeed/brightness bar is different ... ON state, do not need to connect LED-WiFi controller, it can used for software demonstrate, imitate demonstrate ect ...