1. Product material: iron shell + copper terminal 2. Product size: 60x60x2mm 3. Product current: 30A 4. Product voltage: 12V-24V 5. Operating temperature: -20 ~ 60 degrees Celsius 6. Dimming range: 0-3%-100% brightness, stepless dimming 7. Scope of application: This product is widely used in lighting decoration of cars, RVs, yachts, jeeps, etc. 8. Applicable light bar: Adjust the single color LED light bar, not suitable for multi-color mixed LED light bar 9. Product function: change the brightness of the light bar by controlling the voltage and current output